Ask This Old House

Mauro Henrique shares the importance of prep work for any painting project, and why homeowners shouldn't skip it. Then, Mauro and Kevin O'Connor team up to refinish an antique outdoor bench with a whitewash stain; With a glass expert's help, Tom Silva learns how double pane glass is made while helping a homeowner repair a broken window.

Heath Eastman assists a homeowner who wants to hook up a generator to their home by installing a transfer switch to the circuit board; Environmental contractor, Ron Peik demystifies asbestos and shares options for mitigation; Mark McCullough fixes a faulty brick lintel repair on an 1833 home, discusses the difference between Flemish and American bond, and how to match existing mortar and joints.

Nathan Gilbert heads to Tulsa, Oklahoma to build a replacement utility cover. Ross Trethewey discusses low-level carbon monoxide exposure, symptoms, and differences in CO detectors and low-level monitors. Mark McCullough helps a homeowner clean out creosote build-up in their kitchen fireplace and explains the dangers of creosote build-up, options for removal, and the safety preparation involved.

Ask This Old House welcomes landscape contractor, Lee Gilliam to the cast and shines a spotlight on his 30 years of experience; Richard Trethewey helps a homeowner repair a leaking 3-valve shower while retaining the bathrooms original 1930's tile; Lee and Jenn Nawada work together to refresh a homeowner's eroding sloped yard; removing excess mulch, and installing boulders and ground cover plants.

Heath Eastman helps a homeowner install outdoor-grade remote-controlled patio string lights over their backyard patio; Mauro Henrique color matches a homeowners retro aqua kitchen cabinet and repaints it to match the rest of the vintage kitchen; Mauro takes a sample of the aqua-colored kitchen cabinet and heads to Home Depot to demonstrate the color matching process.

Nathan Gilbert shares his own experience as a Boy Scout and introduces his niece's Girl Scout troop and the project they need help with; Tom Silva and Kevin O'Connor create a two-layered hexagonal herb planter for the garden; Jenn Nawada and Nathan pick up materials to build a garden bed and then team up to help the Girl Scout troop rebuild and replant their community garden beds.