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Expert Q Ren Molnar Q&A Archive
Top > Vents > Roof

Question:

I was wondering can I clean attic mold myself and how and with what and so I have to replace all the insulation? It is a level 3 mold some spots not all over in the attic. At ths point we are wondering if we should fix it or walk away from this house?

Answer:

Mold is an indication of a lack of ventilation or excessive heat loss and a lack of ventilation to the attic. Properly insulated and ventilated, the attic will itself do away with the mold. It is nearly impossible to over ventilate the average residential attic. It is as important for air to have access to the cavity from under the eaves as it is for air to have an opportunity to exhaust as high up on the roof as possible. Proper soffit venting in combination with “U” channels and gable-to-gable baffled ridge venting appears to be the most cost effective, passive way of accomplishing this.

Telephone and E mail information is always free so please don’t hesitate to take advantage of it.

In the interests of retaining credibility and in fairness to all, I cannot recommend prices, people nor companies for various projects.

Remember, even if you don’t do your own work around the house have to hire someone, you put yourself at a great advantage when you can intelligently discuss a project with the various trades people.

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Answered By: Ren Molnar

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8. How do you keep snow from blowing in through round, "can style", roof vents. The house is 13 yrs. old. I hav ...
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10. How do I effectively ventilate a Cathedral roof. I have a severe Ice damming issue and have had water seepage. ...
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12. I have a well-built 4-yr old 50 X 30 ft. bungalow with a well-pitched roof, fully-vented soffits, foot-square ...
13. Listen to you on CKLW 800 Windsor, Ont. Today on your show a gentleman called about snow blowing into his atti ...
14. You told me how to install the vent. I need to know if one has to buy this baffle assembly or can one build it ...
15. I have the traditional flat, square style roof vent. Birds are nesting inside on the wire mesh. I need to remo ...
16. We have a roof turbine that is making so much noise every time it's windy. It sounds like a bird in pain. ...
17. I had a tear-off, new roof with a ridge vent installed (gable to gable). My roofing salesmen said that I shou ...
18. I recently had a bath fan installed by an electrician and was planning on venting to the soffit area. I was t ...
19. I have a round cottage with a dome roof. The dome is formed by triangles in about 4' sections. One up righ ...
20. Ren: Your radio show in Saskatoon, Saskatchewan is a taped version and played Saturday PM. I really miss you ...
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