Weatherproofing Silicone Sealant

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

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. 
 
Delivery time for this product is 3-5 working days
 
 
 
 

Price Options

Code Description Brand Price Qty  
Black SS991561 (S10282579S) Black Alumasc £21.47 inc VAT
£17.89 ex VAT
White SS991562 (S10387566S) White Alumasc £21.47 inc VAT
£17.89 ex VAT
Grey SS991563 (S10282426S) Grey Alumasc £21.47 inc VAT
£17.89 ex VAT

Technical Information

Manufacturer: Alumasc

Delivery Information

Some products have extended delivery times, and depending on the manufacturer delivery fees may vary. All delivery charges and lead times are highlighted in the individual product sections.

Feel free to contact us on 01354 700853 if you have any specific delivery issues.

If you are considering a return, please visit our Return Policy.