Friday 2 March 2012

Attic Mold


Before Remediation

After Remediation

Attic mold is still the most frequent call we have.  Usually it comes following the sale of a home, where the building inspector inspects the attic.  The inspectors report to the purchasing family ends up with a demand the mold be removed prior to the new family's occupancy.

If the mold is only surface - not having penetrated into the core of the sheathing or trusses - then it can be an inexpensive remediation.  On the other hand, if the mold has been present for an extended period of time, it may well have compromised the sheathing or trusses to the point they need replacing.  This is easy to check by yourself.  If you can crumble some of the wood from the mold, or even worse, if you can crumble the entire 2x4 in your hands, the trouble is long past surface mold.
Rotted wood found above closet

Both of these cases are easily remedied, but obviously the more extensive one costs substantially more.  The good news is that this situation is avoidable.  You should check your attic every 6 months to be certain to catch any moisture leaks or blocked attic vents in the early stages.  This will keep the repair cost to a minimum.

Advance Restoration can do what is required to remove either the surface mold by sanding and encapsulating, or we can remove the deeper mold by either dry-ice blasting or removal and replacement of the damaged trusses or sheathing.  If dry-ice blasting is used, the boards, once cleaned (blasted) will look like new lumber or sheathing.  Once blasted, we also apply a coat of encapsulant to help prevent further damage from future mold if the problem occurs in the future.

If you decide to check out any mold you see in your attic or elsewhere, please be certain to avoid disturbing the mold.  This will release micotoxins into the air and spread the mold even more.  Also, it is advisable to wear a respirator and goggles. 

If you would prefer not inspecting the mold, Advance Restoration will be pleased to come and do an assessment for you.

If you plan on selling your home, it would be better to have the problem fixed prior to listing, as you are the one controlling the process and costs involved.

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