Ask the Experts

Get the answers you need to get the job done right. Home-building and remodeling pros and industry experts answer your questions about construction details, materials, tools, building codes, and more. Email Fine Homebuilding at [email protected] to have a question considered for publishing in the magazine.

Hard-to-Use Electrical Outlets
Tamper-resistant receptacles can make it difficult to insert a plug. Here are the code-acceptable solutions.
HVAC for a Slab-on-Grade House
Keeping HVAC systems within the conditioned enclosure can be tough without a basement; one option is to use plenum trusses for the roof, which offer a space for equipment and ductwork.
Which Refrigerant?
As the industry phases out R-410A due to environmental regulations, new refrigerant options—R-32 and R-454B—offer lower global warming potential, but the best choice depends on your technician's training and familiarity with these newer systems.
Air Barrier Under Wood Paneling
To prevent moisture buildup and improve performance, install a continuous air barrier—such as drywall or specialized membranes—under tongue-and-groove boards or other interior wall paneling.
Guard Posts for Angled Deck Corners
Prescriptive codes don't address the connection at less common angles, so base the connection off more typical ones using bolts, structural screws, blocking, and steel tension ties.
Dehumidifying With Heat-Pump Water Heaters
Dehumidification is listed as a selling point for HPWHs, but are they actually effective at lowering humidity?
Major Mold Mitigation
Fixing a house with a small, unsealed crawlspace and a mold problem is complicated, but it can be done.
Fix for Fast-Drying Paint
Follow these tips to prevent paint from drying too quickly.
Make Your Own Parging Mix
The most common way to make your own parging mix is to use either Type S mortar for block or Type N for brick and add a concrete bonding additive.
Efficient Hot Water With Less Noise
Seeking a quiet heat pump water heater? Noise may be part of the bargain.

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