attic mold remediation in Michigan attic mold problems attic mold in Michigan
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September 29, 2016

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Attic Mold Removal in Michigan

Determining the cause of your attic mold problem is key to preventing re occurrence.

By far the most common cause of attic mold in Michigan is improper ventilation.  

Attic Ventilation

Calculate Net Free Vent Space

Building codes typically require 1 square foot of venting space for every 150 square feet of attic space. The venting space should be equally divided between intake and outflow vents, and the outflow space should never exceed the intake. If your attic covers the entire house, a measurement of its outside dimensions will give you the area of the attic space. The "net free vent" (NFA) area of each vent you have installed should be clearly marked on it. You simply add up the NFAs of all your vents and divide that number by the area of the attic to determine whether you're within the 1:150 ratio.

Inspect the Attic

If your attic is not sufficiently vented, you probably won't have to look very hard to find signs. They include rafters and ceiling joists that are damp or blackened with mold, matted insulation and rusty metal fasteners -- screws, nails or staples. Moisture is more likely to be present during cold, rainy weather, but mold tends to grow when it's warmer, and may be more noticeable in the spring and early summer. Put on a respirator, separate a few batts of insulation and look for mold inside, especially if the batts are clumped and flattened by moisture.

Inspect the Vent Openings

Vents that are blocked by obstructions such as dirt, leaves and twigs and bits of insulation won't allow air to pass freely; inspecting and cleaning them is an important maintenance task. Set up a step ladder by the side of the house to inspect the soffit vents, and bring an old paintbrush with you to clear them. If you notice insulation clumped around any of them, go into the attic and clear it. You may have to install baffles to keep the insulation away. If you have roof or ridge vents, climb onto the roof to clear away any debris that hay have collected inside them.

Monitor the Temperature

The air that circulates through the venting system is important not only for controlling moisture, but for regulating temperature, especially in the heat of the summer. If the vents aren't supplying sufficient circulation, the temperature in the attic can rise to 140 degrees Fahrenheit or more on sunny days, and that can significantly affect the climate in your living space. It's prudent to put a thermometer in the attic and to check it regularly in the summer. If the temperature becomes excessive, you may need to augment your passive ventilation system with some power vents.

Attic Ceiling Mold with Frosted Nails in Winter
Condensation causes frost on sheathing surfaces and nails etc. in winter

Elliot Environmental has performed hundreds of successful attic mold remediation projects since 2002

 Based on our experience

A typical attic mold problem is discovered when a home is on the market and a buyers home inspector identifies the problem during a home inspection.

A typical type of home for an attic mold problem is a colonial.

A typical cost of an attic mold remediation project can generally be determined by a telephone or email consultation, for free.

A typical attic project in completed in 1-2 days. The project is typically done by a three to four man crew, who work exclusively on attic mold problems day in and day out, week in and week out. They are highly trained and very efficient.A List

 WARNING:   FOGGING

There are no fogging techniques presently available that offer quick and convenient silver bullet treatments for remediation of mold in crawlspaces. Products and service providers may promise quick and easy results, but they have been proven to be ineffective and a waste of money.  Call today to schedule an evaluation of your attic. We will provide a free detailed estimate with easy-to-understand pricing.

 WARNING:    WHITE COATING

Many times a white paint coating like Kilz is applied by contractors or homeowners. While not all white coatings are inappropriate (some are actually engineered for mold remediation) from a visual standpoint how does the consumer, homeowner, buyer, inspector know what the product is?  We've seen many properties where the mold is re-growing right on the white coating material. Many companies apply a low quality heavily pigmented white coating over poorly cleaned areas to cover up remaining mold areas. White coated attic sheathing send up a huge red flag to future home inspectors. This will lead to you having to answer many mold related questions from the buyer. Remember, these coatings will peel within a few years if applied over uncleaned mold areas. This results in a difficult very expensive redo. Redoing a failed mold remediation job to a peeling attic ceiling is most difficult. Frequently, when this occurs the owner will have to have the entire attic ceiling sheathing replaced. Unfortunately, to do this, it also requires you to have all the roof shingles removed and replaced. Its important to do it right the 1st time.

 

For more information on mold contamination and its threat to your business, home and health, click to read two EPA (Environmental Protection Agency) reports:Residential Mold Guide and Mold Remediation in Schools and Commercial Buildings

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