Al Berca Posted October 7, 2017 Report Share Posted October 7, 2017 Oversized two car garage with flat concrete roof which serves as Terraza, about 20 years old, that leaks badly in several places during rainfall. Bids on roof repairs/replacement are higher than current budget. What is the absolute best roof sealant for this job? Longevity more important than cost. Thank you. Link to comment Share on other sites More sharing options...
zerbit Posted October 7, 2017 Report Share Posted October 7, 2017 Once the surface is properly cleaned and repaired, Fester red , properly applied is my choice. Link to comment Share on other sites More sharing options...
vista lake Posted October 7, 2017 Report Share Posted October 7, 2017 Clean the surface, seal the surface whith castores seal, and paint whit waterproof casther! Is the best!! Link to comment Share on other sites More sharing options...
mudgirl Posted October 7, 2017 Report Share Posted October 7, 2017 Fill the obviously bad cracks with a crack sealer like Fester "No Mas Goteras Pasta". Then seal with a good quality roof paint as above poster recommended and USE MEMBRANE! Link to comment Share on other sites More sharing options...
Alpha1 Posted October 7, 2017 Report Share Posted October 7, 2017 Fester 12 year rating. White will keep things cooler. Link to comment Share on other sites More sharing options...
Ezzie Posted October 8, 2017 Report Share Posted October 8, 2017 As above - Fester 12 yr. white. Only thing I would add is to seal any cracks that are visible first with SikaFlex or lay down a strip of fiberglass cloth and coat over with the Fester. Link to comment Share on other sites More sharing options...
RVGRINGO Posted October 8, 2017 Report Share Posted October 8, 2017 Cracks indicate movement, and should be filled with a flexible caulk, as mentioned above, then covered with fiberglass membrane imbedded in roof coating. Once that is dry, you may proceed with coating the entire roof, if needed. Yes, using white will keep your home cooler in the hot season. Link to comment Share on other sites More sharing options...
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