It is best to at least scrape of the gravel. Also, if you leave the tar roof set up you ought to use 2″ PolyISO insulation as barrier concerning tar and TPO. You might use one″, but I experience it’s too “slender†…
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The extremely Basis of poured asphalt with modifiers. After which the very best is held sprinkling sand, mica or slate.
And may be mildew increasing beneath The brand new roof if it is put in above the old just one? Also if the new roof is laid more than gravel, will it not enhance the threat of a puncture and Additionally you couldn’t wander in excess of The brand new roof if there is gravel beneath?
We are at the moment within an insurance policy assert for snow & ice damage to a TPO roof. Causation has become leaks into the inside rooms.
If it has been more than 15 years since your roof was installed or if you have noticed leaks in the ceiling or h2o in the basement just after it rains, it could be time to take into consideration calling a specialist for a whole assessment of your roof’s health and fitness.
Two roofers have submitted estimates. Every endorses putting in one 50 percent inch insulation board (IsoGuard in one circumstance, an unspecified brand name in the other) about the existing roof with only one ply membrane (TPO for one check here particular, IB Roofing PVC for the other) as the ultimate cover.
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PS – with many other membrane items (TPO/PVC/EPDM) your guarantee is null and void if manufacturer finds on the market is “foot website traffic†… PS2 – ISO brand has no big difference – it’s practically exact same solution, it does not matter who made it (unless you go for super substantial density).
Professional Choice Roofing Deland, is providing storm hurt inspection and restore expert services to aid homeowners and setting up homeowners which were impacted from this summer season's risky storm period. Quite a few homeowners are qualifying for completely new roofs from insurance plan due to the hail problems, and tornado action.
Surely not modified bitumen. PVC/TPO really should be Alright as part of your weather – i don’t Assume it’s any hotter than say Florida/Texas … but simply because you have slipping tree limbs constantly, it’s not a superb selection. You don’t desire to patch holes every single 6 months.
Solution is NO for virtually and singly ply roofing substance. Immediate connection with modified bitumen will in short time harm TPO / PVC / EPDM membranes, equally physically (rubbing from granules) and chemically (asphalt/bitumen with problems The one ply product).
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TPO companies improve formulation to decrease the manufacturing charges – so that you under no circumstances knownwhat you will get.