What is the best frame sealant that wont shrink and crack please?

[Gary111]

For upvc frames to masonry exterior.

Not sure if frame sealannt or low modulus silicone is best?

Thanks

 

[freddiemercurystwin]

Dow 796 would be fine.

 

[Gary111]

Thanks, it's a bit pricey though

 

[freddiemercurystwin]

Go to Poundland then.