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Last Updated: Monday, May 10th, 2010, Created: Wednesday, April 9th, 2008

Weather Restrictions: Water Repellents for wood and masonry

. WEATHER & RENOVATION is a joint project of: CTV.ca and JonEakes.com designed to help you plan home improvement projects around weather restrictions. If you have just been checking the weather for your project on the CTV web site -- welcome to JonEakes.com where you will find all the details for your home improvements. If you started here and are looking for weather restrictions related to home improvements, follow this link to CTV.ca where you can get your local weather forecast together with weather restrictions for specific products  on the bottom of the page.


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Water repellents are primarily designed to prevent or restrict the penetration of water into a material, hence protecting it from wet/dry cycles as well as the extra damage caused by freeze/thaw cycles when a material is saturated with water. They have little to do with stopping rot or moss. For wood they slow down the aging of the wood by reducing the cracking (checking) and splitting of the wood and if they contain UV filters they can help to slow down the greying of the colour. For masonry they can help to stop spalling, the popping off of the surface caused by ice formation just below the surface. For both they stop barbecue sauce from soaking into a surface, making it far easier to clean it up without leaving a mark. As with paints and stains it is important to remember the cardinal rule for avoiding lap marks with liquid applications -- work wet-on-wet. Click here for doing that outdoors. Click here for a general overview of deck finishes.

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