

Once this has been accomplished apply this tape directly from the reel onto one surface, and press sufficiently along its whole length to achieve good initial adhesion.

How to use these mastic sealing strips?Īll surfaces should be clean, dry and free from frost, grease and loose materials. These self adhesive putties have a wide temprature range from -40☌ to +110☌. These strips come in a putty consistancy making them easy to apply and mold into position. Simply put the more you buy, the more you save.

If you are looking to buy these rubber sealant tapes in bulk, every option we have on offer comes with bulk buying options. Along with these, they are also designed specifically to accommodate movement and have an outstanding service life.Īll of these give these adhesive tapes an excellent track record of proven high-performance usage. This type of butyl tape tends to come with a 12-year warranty (UK & Ireland only), come with high tack - which provides excellent adhesion - are strong & flexible. Main features of these types of mastic strips These mastic tapes tend to be National Federation of Roofing Contractors (NFRC) Class A Certified Tape - via a third-party certification by a UKAS accredited laboratory. National Federation of Roofing Contractors Class A Certified Tape GCA Butyl Sealant Putty Tapes are waterproof sealant tapes that are relatively odour free & ideal for: external metal sheeting - sealing end and side laps in steel and aluminium roofing systems - sealing roof lights, ridge and eaves sealing in combination with foam fillers, metal liner sheeting - sealing end laps, sealing metal flashings, sealing penetrations to roof and wall cladding, suitable for pond and aquatic uses and similar applications.
