VIEWS: 8 PAGES: 1 POSTED ON: 5/18/2011
From the Q How do you properly Ho fungi, use a mild solution and a LOUISIANA re remove vegetation from th the mortar on the outside soft brush to remove the growth. Try to solve the water issue that is State Historic Preservation Ofﬁce of a house? causing the bricks to stay damp. Ofﬁce of Cultural Development, Masonry Cleaning: Ferns that grow in the old, Fe Department of Culture, Recreation and Tourism A cured joints of masonry are cu attracted to the limestone at in your mortar. However, they do Overview of masonry cleaning: http://www.nps.gov/history/hps/tps/ briefs/brief01.htm not like newly repointed lime- For bio-degradable cleaner: http:// Ask an Expert based mortar as the mix is too hot for their taste. Algae, moss and fungi grow because there is a water www.cathedralstone.com/ ____________________ Tracy Nelson is the director of the By Tracy Nelson source that keeps the brick damp. Historic Building Recovery Grant To stop any of these biological Program under the Louisiana growths you need to make the State Historic Preservation Q My house is raised about si six feet and the ﬂoors are wo wood planks. In rooms to help with moisture issues. The third option is to insulate from underneath. This can be tricky conditions inhospitable. You can use bleach (a very mild solution), peroxides (be very careful to Ofﬁce. She has a Masters in Sustainable Design from Cambridge University, England, where we have added carpeting wh to get right. For your house, use match the product with your and is a graduate in Historic we don’t have temperature rigid insulation between the ﬂoor masonry type) or a biodegradable Preservation from Roger Williams control problems but most of the joists. In this option, the two cleaner (best option). Power University in Rhode Island. After house is the bare wood ﬂooring most important strategies are to washing is not recommended years of hands-on experience in (with occasional ﬁlling missing leave an air space between your due to the potential for damage the ﬁeld, she recently purchased between the old planks). Should ﬂoorboards and the insulation that to the masonry as well as the her own 100-year-old home we use spray foam insulation will increase your overall R-value, introduction of even more water in New Orleans’ Holy Cross which is the construction industry to the problem area. For ferns, National Register District. She underneath or another type? The term for measuring thermal gently remove by hand and either will be answering your questions house was built in 1870. resistance, (install half way up repoint the joints if needed or each month, so please contact the ﬂoor joist), and make sure put a mild solution on the mortar mﬁtzpatrick@prcno.org and your Wi With the cold weather A ha l upon us this is a concern up fo for many people. As you have learned, wood has a low there are no air gaps around the insulation. With your house being raised six feet you will be able to bed surface. For algae, moss or queries will be forwarded. monitor that a good job is done insulation value and can cause by your contractor. Make sure you your ﬂoorboards to feel cold from inspect the work before the ﬁnal the air moving under your house. payment is made. As for spray There are three options for you to foam, you should not use it. improve your situation. You can remove your wood ﬂoorboards, lay a subﬂoor and re-lay the Insulation: original hardwood planks. This Overview of energy savings: can be expensive and requires an http://www.nps.gov/history/hps/tps/ expert of old houses. Second, you briefs/brief03.htm can close in between your piers, which will stop the movement Energy-saving tips: http:// of cold air under the house. If www.crt.state.la.us/hp/grants/ you go this route, make sure your hbrgp/info_for_owners/ winter solution can be removed Oct2009PIPLowCostNoCost.pdf or opened up during the warm, Insulating Historic Houses: http:// wet months when you want the www.crt.state.la.us/hp/grants/hbrgp/ air movement under your house info_for_owners.aspx For more information about weatherizing your old home, attend the PRC’s Homebuyers Workshop on Tuesday, Nov. 9 from 6 p.m. to 7:30 p.m. at the PRC, 923 Tchoupitoulas St. Learn how to make your historic home ready for the winter months. Tracy Nelson, director of the Historic Building Recovery Grant Program, will present on storm window options. Bill Robinson with Train2Build will present on reducing those cold drafts, proper insulation for older homes and weatherizing wood windows. Both presenters will answer questions from the audience. “Weatherizing Your Old Home” is underwritten by Capital One. For more information call 504.636.3399 or visit www. prcno.org. St. Francisville Main Street & West Feliciana Parish Tourist Commisssion www.prcno.org
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