brick chimney sealant - Contractor Talk - Professional Construction and Remodeling Forum

David U · 10-27-2009, 06:41 PM

Any suggestions on a siloxane-based sealant that will last for 5-10 years that doesn't have a gloss coat? There is some water penetration occuring through either the brick or grout. thanks for any help...du

dakzaag · 10-27-2009, 06:45 PM

You might want a mason to take a look, sometimes these things are tough to identify.

Following link is short and sweet, three or four different options, all nationwide and reputable.

http://www.contractortalk.com/f48/se...f-brick-36056/

Five to ten years may be a stretch, sell three to five and be pleasantly suprised.

stuart45 · 10-28-2009, 02:30 AM

Nowadays we always put a lead tray in just above the rafter line on a new or rebuild as shown in the video here.
http://www.justlead.co.uk/dpc-chimney-tray.html
Damp penetration in stacks has always been a problem here, especially now that people tend to use their central heating more than the open fires which dried out the stacks.
Siloxane is good, but a tray is a more permanent solution and part of our codes now.

David U · 10-28-2009, 07:30 AM

Thanks for the help..du