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SS991561
Alumasc Rainwater

Alumasc Low Modulus 310cc Dow Corning 791 Silicone Sealant

£10.55 Ex VAT

( £12.66Inc VAT )

Estimated lead-time 10 working days.
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  • Industry leading Our sales and technical team have over 20 years’ experience working with the industry leading rainwater systems available in the UK. Industry leading
    Our sales and technical team have over 20 years’ experience working with the industry leading rainwater systems available in the UK.
  • Expert advice Our friendly service and competitive prices combined with a step-by-step support approach, make for easy rainwater product selection. Expert advice
    Our friendly service and competitive prices combined with a step-by-step support approach, make for easy rainwater product selection.
  • Nationwide delivery Our delivery drivers cover the whole of the UK (mainland only) so no matter where you are, we can get your order to you. Nationwide delivery
    Our delivery drivers cover the whole of the UK (mainland only) so no matter where you are, we can get your order to you.
  • Premium quality Our aluminium, steel, cast iron, plastic & GRP rainwater systems are all sourced from the leading manufacturers in the UK to ensure they are of the highest quality. Premium quality
    Our aluminium, steel, cast iron, plastic & GRP rainwater systems are all sourced from the leading manufacturers in the UK to ensure they are of the highest quality.

Alumasc Low Modulus 310cc Dow Corning 791 Silicone Mastic is used as a protective seal at interfaces for all Alumasc Rainwater Systems.

Cast gutters generally overlap at the joint with a spigot and socket. Slots are provided for fixing by bolts, nuts and washers to provide support and retention of the union, together with a suitable sealant. Thoroughly clean joints and wipe dry. Unpainted cast gutters should be primed (Dow Corning 1200, Feb Primer No. 5). 

Apply sufficient sealant between the gutter and the socket union clip so that some squeezes out of the joint when tightened. A minimum 3mm thickness should be applied right across the joint and around the holes. Screws in the sole should be tightened first. Do not overtighten screws. 

Manufacturer: Alumasc

Product Code: SS991

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