Sikaflex®-522 meets highest EHS standards. per page. PRODUCT DESCRIPTION. It has both high weathering and mould resistance properties. 70; Buy now from Amazon; This was developed as an all-purpose flexible marine sealant that will bond with all the standard materials used in boat construction. Pack Size SIKAFLEX®-512 CARAVAN One component, UV resistant hybrid all purpose adhesive sealant for caravan/motorhome construction and repair SIKAFLEX®-521UV One component UV resistant hybrid, polyurethane based multi purpose sealant. 201 Polito Avenue Lyndhurst New Jersey 07071 United States of America phone +1 (201) 933-8800 fax +1 (201) 804 1076Sikaflex®-521 UV ist ein witterungsbeständiger, einkomponenten STP-Kleb- und Dichtstoff mit einer guten Haftung auf einer Vielzahl von Untergründen, wie Metalle, ABS, PC, FRP und Holz bei denen in der Regel keine spezielle Vorbehandlung erforderlich ist. The market Leading sealant and adhesive for all your Caravan/Motorhome maintenance. Volume. At low temperatures the water content of the air is lower and the curing reaction proceeds a little more slowly. • Fast and easy application – no mixing needed. Той се свързва добре с голямо разнообразие от основи и е подходящ за трайни еластични уплътнения с висока якост. High ageing and weathering resistant. Compare. Im sure it probably fine. It has a fast curing time but should only be applied. Sikdadur 51 Tested per BS 6319 & complies with ASTM C881-78 type 2 grade 2, class B &C. Precast concrete construction. Attach and abrasive wheel to the tool, power it on, and press it against the Sikaflex. Durability: Sikaflex 522 Caravan Sealant is made from a combination of elastic polyurethane and polyacrylate, making it a durable and long-lasting solution for sealing joints and gaps in caravans. 1. Posted August 9, 2015. Sikaflex®-521 UV is a weathering-resistant 1-component Silane Terminated Polymer (STP) adhesive / sealant that bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special treatment. Remove excess sealant while still wet Sealing and Bonding with Sikaflex®Sikaflex®-406 KC. BUT - make sure you get the old mastic off and the mating surfaces completely clean and degreased first. 41 +au $97. PRODUCT BENEFITS High ageing and weathering resistant High fungicidal resistance Sikaflex® is known as the world's leading brand for elastic one-component adhesives and sealants based on polyurethane (PU) or silane-terminated polymer (STP). It is a one part, high quality sealant and adhesive. 94. Good resistance to weathering. Sikaflex®-555 is based on Sika's Silane Terminated Polymer (STP) technology that cures on exposure to atmospheric humidity. Volume. To Infirmity and beyond! if life deals. This seems to be the same spec as 512 BUT it may not be 100% UV resistant - I guess in marine applications it will not be exposed to the Sun? Still - sounds like galwaytt has it sorted. Eliminates time, effort, waste, and equipment cleaning. Sikaflex 522 is a low emission, one component, Silane Terminated Polymer (STP) sealant and adhesive. Water immersible & waterproof after cure. Press the trigger and run a bead of Sikaflex into the seam. 7612894368475. Elastic adhesive for vehicle assembly bonding. One component, ready to use. High fungicidal resistance. Apply a bead of Sikaflex®-512 Caravan to the seam and smooth to 1-2mm thickness 6. Good adhesion on porous and non-porous substrates. 300ml WHITE - You will Require a Sealer/Caulking Gun to Dispense The Sealant. Sikaflex®-521 UV. Sikaflex® Construction+ is a 1-component, moisture-curing, elastic joint sealant. Elastic adhesive/sealant with high green strength. 06. Sikaflex offers a wide range of sealants and adhesives perfectly suited for repair and maintenance of your vehicle. $20. Use Precon Cleaning Solvent. This multipurpose product is suitable for internal and external sealing applications. cut it off. CHARACTERISTICS / ADVANTAGES Very good. PRODUCT BENEFITS. Frank. It has a high weathering and mold res-istance. If necessary use spacers to get 2mm thickness of Sikaflex® 8. Safety Data Sheet (SDS) PDF - 148 KB (en) Take a look at Sika's material safety data sheets for their range of sealant and adhesive products - all of which are available to download. P363 Wash contaminated clothing before reuse. BUY NOW. Sikaflex®-512 Caravan gives a very strong bond when cured. About Specs Downloads Quantity Estimator Sikaflex 522 White Caravan Adhesive and Sealant Sika have rebranded 512 to Sikaflex 522 Option 414776 Barcode. Sika is a specialty chemicals company with a leading position in the development and production of systems and products for bonding, sealing, damping, reinforcing and protecting. Réference : 76211285. 2022 Version 4. Fast curing time with powerful intial grab. Collection. Sikaflex-1a can be used in green and. Compare. Good weather and ageing resistance. Sikaflex 221 Adhesive & Sealant 300ml . ?1 W q 0 a7#n ^x , Ѣr J k k9 J 1 3 1 L? G %C_pG ]; , G . Solvent-free. It has a high weathering and mold resistance. Apply in Dry Conditions Only. $21. The below two tables show a curing behavior of a Sikaflex® adhesive or sealant with a curing rate of 3 mm in 24 hours at 23 °C / 50 % r. Sikaflex is good but far, far too expensive and IMHO is the Stockholm tar of the modern alternatives. Remove one batten at a time and lower the brackets onto the sealant. This product will work on concrete, wood, metal. Sikaflex 512 adhesive and sealant for caravans. Sikaflex 521 300ml Multipurpose White Adhesive Sealant For Caravan Motor Home Boat Solar Panel Mounting Wood Metal Fixing. Non sagging and has a moisture curing system (cures in contact with moisture in the air). It bonds well to a wide range of substrates with minimal pre-treatment. Secondly it actually says it can be used in caravans and boats. Suitable Application. One tube of goo will be more than enough. It is a non-structural adhesive, ie light duty, one-component polyurethane, with high elasticity and resistance to weathering, seawater and. Store Details for Screwfix Sheffield - Holbrook. 85-91 Patiki Road, Avondale 1026 Auckland . . Black, Grey, White Box 12 x 300ml sachets 23 litre hobbocks Black, Grey, White Box 12. Shop silicone sealants from Evo-Stik, Sika, Unibond and more trusted brands. For the panel I used 120 grit paper (supplied in the kit) to remove the paint from the roof, laid 3 good beads of Sikaflex 512 in the 30mm gap and pressed the panel into place whilst 'rocking'/jiggling the panel and pressing down at the same time. Sikaflex 221 is an excellent product, we used a dozen or so tubes on the trailer, along with Parabond600. 2021 Revision Date: 07. Sikaflex®-521 UV can be processed between 5 °C and 40 °C but changes in reactivity and application properties have to be considered. 07 (inc VAT) In Stock. Sikaflex®-291i is a multipurpose product used in marine constructions. Volume. Sikaflex®-290 DC PRO is a 1-component polyurethane based joint sealing compound, specifically formulated for caulking joints in traditional timber marine decking. FREE delivery Mon, Nov 20 on $35 of items shipped by Amazon. Sikaflex®-221 is a multi-purpose 1-component polyurethane adhesive / sealant that bonds well to a wide variety of substrates like metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. The Everbuild AC50 sealant and adhesive is a high-strength, flexible sealant that’s been specially formulated for sealing and bonding to plasterboard. Sikaflex®-522 meets highest EHS standards. 58. Apr 15, 2016. 300ml WHITE - You will. Reactions: Masman. Sikaflex® Self Leveling Sealant Author: Sika Corporation, 201 Polito Avenue, Lyndhurst, NJ 07071, Phone: +1-800-933-7452, Fax: +1-201-933-6225, usa. This multipurpose adhesive sealant from SikaFlex is ideal for caravan and motorhome construction and repair. 4. Sikaflex is Sikaflex because it's Sikaflex. SUITABLE FOR - Roof Vents, Skylights, TV Aerials, Awning Rails, Lap Joints, Butt Joints. Can be over-painted. Sikaflex®-522 meets highest EHS standards. NEWER VERSION: SIKA 522 has replaced SIKA 512 ; DESIGNED FOR CARAVAN AND MOTOR HOME: All in one sealant and adhesive designed for repairs and construction to caravans and motorhomes ; SUITABLE FOR MANY SURFACE TYPES: Produces a strong, long lasting seal that bonds to a variety of substrates including, metal primers, ceramics,. Diagram 1: curing speed Sikaflex®-252 CHEMICAL RESISTANCE Sikaflex®-252 is generally resistant to fresh water, seawater, diluted acids and diluted17. This makes it ideal for use in a wide range of building and maintenance situations, such as bonding and fixing cabinets, mirrors and. 55 (£41. Can be over-painted. Sikaflex® Self Leveling Sealant Author: Sika Corporation, 201 Polito Avenue, Lyndhurst, NJ 07071, Phone: +1-800-933-7452, Fax: +1-201-933-6225, usa. Thanks. Силикон за каравани и кемпери Sikaflex 512 бял. 50 postage. Sikaflex-512 Caravan 17. Meets Canada Standard CAN/CGSB 19. com. Very low emissions. Purafelex 40 PU sealant will help you fix it quickly. Odkształcalność ±. com. W W Sika 520454 310ML Sikaflex Pro Polyurethane…. It is suitable for internal sealing and simple bonding applications. Weathering-resistant STP adhesive sealant with a wide adhesion range. Non – Yellowing: More UV resistant that Sikaflex 521. Polyurethane sticks well to some surfaces, and silicon to others. Avantaje: – lipeste o varietate larga de substraturi fara a fi nece-sara o pregatire speciala aLet the Product work for you with Sikaflex Self-Leveling Sealant! This advanced sealant is designed to deliver flawless results effortlessly. Polyurethane sealant. 522 The differences in uses and application of Sikaflex 221and Sikaflex 522 Difficulty: Easy . For advice on se-Sikaflex 221 vs. Sikaflex 221 is a polyurethane sealant, fantastic for bonding and sealing a wide and varied amount of applications. When the temperature drops, the amount of water in the air decreases, which slows down the curing reaction. 24 - M90. Shop silicone sealants from Evo-Stik, Sika, Unibond and more trusted brands. Deny access to unprotected persons. 95 $ 18. This multipurpose product is suitable for internal and external sealing applications. Elastic thick-layer bonding with Sikaflex® offers considerable advantages compared to mechanical. Caravan Sealant Sika 522 Adhesive Sikaflex®-522 is a low emission 1-component Silane Terminated Polymer (STP) sealant/adhesive. : 0800 745 269 E-mail: [email protected]Sikaflex®-11 FC+ jest jednoskładnikowym, uniwersalnym, elastycznym klejem i materiałem uszczelniającym o bardzo dobrych właściwościach aplikacyjnych przeznaczonym do uszczelniania i klejenia większości typowych materiałów budowlanych. Elastic STP adhesive for vehicle-assembly bonding. 1-component, no mixing. It has a high weathering and mold res-istance. Ask an Expert. Le Sikaflex®-512 Caravan est un hybride d’assemblage mono-composant qui polymérise sous l’action de l’humidité ambiante pour former un élastomère durable. Premium polyurethane construction adhesive with fast build up of Strength Sikaflex®-118 Extreme Grab. : Specific treatments Inhalation :No known significant effects or critical hazards. com. zu beachten? 18. Movement capability of ± 25 (ASTM C 719) Good workability. > SIKAFLEX > -512 CARAVAN One component, UV resistant hybrid all purpose adhesive sealant forcaravan/motorhome construction and repair WhiteBlack, Grey, White. Save 5% on any 5. Available in single tubes or in boxes of 12 tubes. High strength construction adhesive. 98. PDS Sikaflex® Construction+. I would suggest Sikaflex 512 for sealing your shower tray extremely good stuff I have also used ProflexRV for watertight seals also extremely good but expensive hope this helps. Sikaflex®-252 cures by reaction with atmo-spheric moisture. Free postage. Good adhesion to many substrates. Sika 310ml Grey Sikaflex-11 FC Polyurethane Adhesive Sealant - Grey (1) 2. Order online at Screwfix. Sikaflex®-227 can be processed with manual, pneumatic or electric driven piston guns as well as pump equipment. FREE next day delivery available, free collection in 1 minute. oz. Sikaflex 1A Polyurethane Construction Sealant Caulk oz,Color Limestone,12pk The ICT University. High ageing and weathering resistant. 05 020511010000000008 PRODUCT DATA SHEET Sikaflex®-1A ELASTOMERIC JOINT SEALANT / ADHESIVE PRODUCT DESCRIPTION Sikaflex®-1A is a premium-grade, high-performance, moisture-cured, 1-component, polyurethane-based, non-sag elastomeric sealant. Time (days) 0 2 4 6 8 10 12 4 8 12Soudaseal RV61 or Sikaflex 512? Or another? All views appreciated. I have often used the earlier suggestion of puraflex from toolstation it does the job but only downside I found as it finishes Matt unless you paint it it attracts. It bonds well to a wide range of substrates with minimal pre-treatment. It is suitable for bonding coated metal, GRP, ceramic materials and plastics. Utilisation à l’intérieur et à l’extérieur. Yeah, why experiment when Sikaflex works so well. High performance, low-modulus elastomeric polyurethane sealant. £ 28. Sikaflex®-522 is a low emission 1-component Silane Terminated Polymer (STP) sealant/adhesive. It bonds to a wide variety of surfaces and is perfect for those wishing to create permanent elastic seals of high adhesive strength. Bewegingscapaciteit ±25 %. 1 Review. Very good adhesion to many substrates. Unsere bekannten Klebstoffe Sikaflex®-552, -252i und -552AT werden nun durch den neuen Klebstoff Sikaflex®-554 ersetzt. Easy to apply and non-sagging. Ask a question. We offer products for a wide range of applications for construction and industry. Once opened, it can be stored in water and reused to reduce waste. #5. Isocyanate free versions of Sikaflex polyurethanes with enhanced adhesion properties, paint compatability andhigh UV and colour stability. Screwfix customers rate this product 4. Sikaflex®-522 est une colle-mastic STP mono-composante, à faibles émissions. Sikaflex sealants are also ideal for sealing and. Sikaflex 522 is a low emission, one component, Silane Terminated Polymer (STP) sealant and adhesive. If necessary use spacers to get 2mm thickness of Sikaflex® 8. Say goodbye to leaks, cracks, and gaps with Sikaflex Construction Sealant. W W Sika 519850 600ml Sikaflex Pro Black Polyure…. En savoir + sur notre collage pour Bricoleur. You will need to make sure the surfaces to be treated are uber-clean so make sure give them a wipe with thinners or a proprietary cleaner. Brand: Sikaflex 4. It bonds well to a vast range of substrates with minimal pre-treatment work. Sikaflex 11FC water extract tests. Sikaflex® Construction+ es un producto de sellado para juntas, elástico, monocomponente, de curado por humedad. Sika’s new i-Cure technology is user and eco-friendly with no solvents and low. 13. It is principally a chemical cure in a non-sag consistency. Good mechanical and weathering resistance. Sikaflex 11-FC also passed tests for unwanted taint/tests on the water extract). Click & Collect. Low stress to the substrate. 300 ml. This multipurpose product is suitable for internal and external sealing applications. I am not entirely sure why but I did note that curing is by humidity so presumably that helps! Today I sealed around the rooflight but despite it raining immediately after, no visible damage to the freshly applied sealant. SikaHyflex®-250 Facade is a 1-component, moisture-curing, low-modulus elastic joint sealant. Shop Sika products online or in-store today. Halfords Store Cheltenham Unit 3, Kingsditch Retail Park Tewkesbury Road Cheltenham , GL51 9PXSafety Data Sheet (SDS) PDF - 177 KB (en) SikaBooster P-50. For Interior & Exterior Use. Guidance on Sikaflex-512 usage can be found by using the following link and clicking on the top entry that's retrieved headed "[PDF] Sikaflex®-512. If Sikaflex®-512 is used in combination with a PUR adhesive, the latter must be fully cured before seam sealing with Sikaflex®-512. coachbuilt. I decided to use 'the best' and after thoroughly cleaning the hole of old mastic, with white spirit, and drying and degreasing. Can be overpainted and sanded. Anyone used any of above before? and do you think it was best product or wish they had used something else? Sikaflex®-521 UV is a weathering-resistant 1-component Silane Terminated Polymer (STP) adhesive / sealant that bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special treatment. 17 % 3 avis 0. SikaFast® reactive acrylic Technology. Sikaflex 292i is a full marine grade structural adhesive, not that different to Sikaflex 252, but 292i has superior Salt water and chemical resistance and 3 times. Sikaflex®-221 is a multi-purpose 1-component polyurethane adhesive / sealant that bonds well to a wide variety of substrates like metals, metal primers and paint coatings (2-component systems), ceramic materials and plastics. Suggest you ask SIKA for a leaflet via [email protected] postage. 1-13 of 13 Products. Quote. barry stick to the 512, "What is the difference between Sikaflex 221 and 512? Sikaflex is more of an adhesive so more suitable to the bonding of solar panel mounts for example, Sikaflex 512 is more of a sealant and will stick to timber and is less prove to weathering so more suitable for the use in the bonding of awning. Posted on 13/06/2019 11:53. . . Paintable, stainable and sandable. 935. #2. Sikaflex® Fillet is designed for use as a fillet joint for movement junctions (wall to wall, wall to floor) in waterproofing installations. 16 per 100ML. 10 x Sika Sikaflex 512 Now 522 White Caravan Motorhome Sealant STRONG Bond 300ml. It is suitable for internal sealing and simple bonding applications. Sikaflex®-522 présente une bonne adhérence sur un grand nombre de supports avec peu de traite-ment préliminaire. Sikaflex®-515 Version 06. English Deutsch Français Español Português Italiano Român Nederlands Latina Dansk Svenska Norsk Magyar Bahasa Indonesia Türkçe Suomi Latvian Lithuanian česk. Sikaflex®-521 UV is a weathering-resistant 1-component Silane Terminated Polymer (STP) adhesive / sealant that bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special treatment. Sikaflex-512 Caravan is possibly the. com. Bonds to a wide variety of materials including glass, metal, wood, timber and plastics. Very good weathering resistance. Buena trabajabilidad. Brand: Sikaflex 4. 1 Product identifier 1. Sikaflex 522 is the NEW replacement for Sikaflex 512! Weathering resistant low emission multipurpose sealant. It's vital that the roof is clean and free from grease so I keyed the area where the panel mounts were to be fixed with wet&dry before cleaning with white spirit and finally methylated spirit to remove the oily white spirit residue. It is purpose-designed for building and repairing caravans, motor homes, and trailers and does not suffer from the problems of traditional mastics. 20113/11 SECTION 4: First aid measures Notes to physician Treat symptomatically. Sealant for concrete and masonry facades. This waterproof adhesive, sealant & filler from the SikaFlex EBT+ range by Sika has a 1 hour skinning time, 24 hours for full curing drying time, and is suitable for use with bonding, filling, sealing around the interior & exterior of your home. Dow Corning 785 Silicone Sealant - Clear - 310ml. Sikaflex 512, 521 and 552, All state ok for mounting solar panel brackets, any advice regarding the most appropriate one to use would be most welcome. 00 +VAT) Quick Look. It bonds well to a wide range of substrates with minimal pre-treatment. db. Ne pas utiliser Sikaflex®-11 FC+ sur le PE, PP, Téflon et certains matériaux synthétiques contenant des plasti-fiants (réaliser des essais préalables). It has a high weathering and mold resistance. #20. LONG-OPEN TIME – Sikaflex 221 remains workable for up to 45 minutes once open and will develop a skin in 60 minutes, providing temperatures are between 5˚C and 40˚C. Sikaflex® PRO-3 is a 1-part, polyurethane, tough, coloured, elastic joint sealant for sealing many types of joint configurations in floors and civil engineering structures. #1. Description. VAT £36. 95. 02 020511010000000019 PRODUCT DATA SHEET Sikaflex® Construction Sealant for concrete and masonry facades DESCRIPTION Sikaflex® Construction is a 1-component, moisture-curing, elastic joint sealant. Is there a recommended type of Sikaflex to use? I used 512 on my last panel (120W) and that seemed ok. Bonds well to a wide variety of substrates. Sikaflex-291, White, General All-Purpose Fast Cure Marine Adhesive and sealant. After reading Millie Masters & Bartmans advice also the Sikaflex data. Browse building silicones, wood adhesives, expanding foam, adhesive tape, sealants and caulk from trusted brands like Everbuild, Evo-Stik, Soudal and Gorilla Glue. Spoken to van conversion companies who always say Sika products and say non-setting bedding mastic tapes are not as waterproof! Still non the wiser. Awning rails and window rails come under some stress in there normal use therefore the added benefit of the adhesive properties of 512 aids in the rails staying secure and sealed. Sikaflex 522 is a low emission 1-component Silane Terminated Polymer (STP) sealant/adhesive. I did this with four panels on my fibreglass roofed Iveco. Location. Sikaflex®-295 UV meets the requirements set out by the International Maritime Organization (IMO). The way I simply think of them is 221 is an adhesive/sealant; 512 is a sealant/adhesive. Option 414776. They enable the use of different materials while coping with different thermal expansion rates. Trikeman. Sikaflex®-227 can be processed between 5 °C and 35 °C but changes in reactivity and application properties have to be considered. PRODUCT BENEFITS. This multipurpose product is suitable for internal and external sealing applications. This leaflet describes how best to prepare the surfaces to be sealed/bonded, which cleaning agents to use, how to achieve a strong bond, etc. Sikaflex is an adhesive sealant manufactured by Sika Corporation. Sika Sikaflex EBT+ All-Weather Sealant Beige 300ml (32710) (33) compare. £1. It's a useful tool to have in any construction site or home, as it bonds to most materials. ADD TO CART. It depends how heavy and high the antenna is but 512 is widely used for sticking solar panels down. Sikaflex 522 caravan motorhome trailer adhesive sealant system 300ml, white. They are very similar but as stated previously 221 is regarded as stronger bonding. Quote; Report; Like; In April 2016 I replaced a roof light which had been cracked by golf-ball sized hail. 95 ($1. The Sikaflex-2c NS TG Additive is one part of a two-component, traffic-grade, polyurethane elastomeric sealant. Auch die Produkte Sikaflex®-521 UV, -515, -221i und -221 RLT werden durch den neuen Dichtstoff Sikaflex®-522 abgelöst. Bonds well to a wide variety of substrates. Safety Data Sheet (SDS) PDF - 144 KB (en) SikaHyflex®-600. Sikaflex 512 Caravan and Motorhome is a multi-purpose, non-sag elastic 1K sealant which cures on exposure to atmospheric moisture. I have to make an urgent. The Sikaflex® -512 Caravan is manufactured in accordance with ISO 9001 and 14001 quality assurance rules and the "Responsible Care" program. Sika Corporation. 1. sika. Sikaflex®-521 UV is a weathering-resistant 1-component Silane Terminated Polymer (STP) adhesive / sealant that bonds well to a wide variety of bonding surfaces such as metals, ABS, PC, FRP and wood with usually no need for special treatment. - Sikaflex is just a trade name for one of many polyurethane sealants/adhesives so any other PU sealant would also be fine. . RichardD Discussion starter 922 posts. It bonds well to a wide range of substrates with minimal pre-treatment. item 7 Sika Sikaflex 291 Marine Adhesive Sealant 310ml White Wood Metal Paint Primers Sika Sikaflex 291 Marine Adhesive Sealant 310ml White Wood Metal Paint. Internal and external use. Opening hours & directions Open 7 days a week Click & Collect. Mar 8, 2021 #2 Dustydog said: The Wyoming failed a couple of damp checks this morning. Suitable for making permanent elastic seals of high bonding strength. Order Sika Sikaflex EBT+ All-Weather Sealant White 300ml at Screwfix. When applying Sikaflex, wear protective gear, such as goggles and. This multipurpose product is suitable for internal and external sealing. Sikaflex 522 White Caravan Adhesive and Sealant. Electrically non-conductive. SIKA SERVICES AG / INDUSTRY / PRODUCT SELECTION CHART / SW / 08. Multipurpose and permanently elastic. £3. 1 Product identifier 1. Sikaflex®-522 meets highest EHS standards. High ageing and weathering resistant. Solvent free. Bonds well to a wide variety of substrates. Jun 30, 2011 6,963 18,512 Barnard Castle, UK Funster No 17,128 MH Concorde Concerto Exp Since 2007. Use the whole tube and go all the way around the bottom of the pan. It bonds well to a wide range of substrates with minimal pre-treatment. This high-performance sealant is specially formulated to provide unmatched durability and. Sikaflex®-1A June 2023, Version 01. Our Good Senator as Guest Speaker on Polytechnic Univer. Bonds well to a wide variety of substrates without the need for special pre-treatment. Run your finger around the edge pushing the adhesive into the gap leaving a smooth finish. $22. Apply Sikaflex®-512 Caravan to flats of rail 7. Resistant to ageing. Sikaflex®-522 is a low emission 1-component Silane Terminated Polymer (STP) sealant/ad-hesive. It depends how heavy and high the antenna is but 512 is widely used for sticking solar panels down. Sikaflex®-522 meets highest EHS standards. FREE delivery Fri, Aug 18 on your first order.