You could just rebuild the chimney properly instead of going from hack job to hack job. I'm wondering if I used a elastomeric paint type coating on the stone would it fix her leak.I'm thinking that it might work it's way into some cracks in the mortar? Any thoughts or ideas? I don't mean to hijack this thread so if somebody has an idea and wants to PM me.I'm all ears.Thanks. When she first noticed the occasional water coming in.she had a guy come and re-flash and seal the base with roof cement.to no avail. She had a wood stove and metal pipe chimney inserted a few years ago when she was told that her stone chimney needed 5 to $6K in repairs. I was at my cousin's yesterday for a Memorial Day BBQ and she mentioned that her fireplace let's some water in when it rains very hard (like a driving rain). I haven't used any of these type products but I have a question. None of the products are recommended for asphalt shingles and we don't plan to. White silicone roof sealants have become very popular and we've seen locally these used on flat, sloped, attached roofs as well as cabins, sheds, RV's and more. Price wise all are north of 225 per 5 gallon, where the Gaco S2000 is north of 325 per 5 gallon. The Tropi-Cool 887 is sold by Home Depot and based on youtube videos and online reviews, appears to be almost identical product to the Gaco version(s). Application can also be done with a wide rubber blade ( /p/Latex-ite-18-in-Driveway-Squeegee-12207/100078884 ) All can be rolled on or sprayed although I suspect cleaning equipment will be difficult, likely easier to discard all used tools. The first two are available on Amazon, only difference (apparently?) is the Gaco 1600 has less solids, so is more forgiving during application/curing where the Gaco S2000 is requires more precision/mixing and faster work speed. The goal is to seal and maintain existing (no leaks, pressure cleaned, flat roofs with membrane).Īll are claimed to be 100% silicone, non-VOC, suitable for rubber, modified, tar mopped, etc. We're evaluating Gacoroof 1600 (1) vs Gacoflex S2000 (2) vs Henry Tropi-Cool 887 (3)
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