Ask This Old House · SEASON 4
Moss, Algae and Lichen; Leaky Water Valve; Planting Shade
Episode 7 · 2005-11-17
- Documentary
Episode overview
General contractor Tom Silva shows a homeowner how to remove moss and lichen from his shade-covered roof and keep them from coming back. Then Tom, along with plumbing and heating expert Richard Trethewey, landscaping contractor Roger Cook, and host Kevin O'Connor ask, "What is it?" Up in the loft, Richard shows Kevin how to repair a leaky valve by replacing the washer and valve seat. Then, Roger helps a homeowner plant shade-loving groundcover under a 100-year-old beech tree.
30 minutes
Season 4 episodes
1. Mortared Stone Walkway Repair; Patching an Oak Floor2005-10-06
2. Creaky Stairs; Static Cling Solution; Electric Shut-Off Valve2005-10-13
3. Under-Sink Water Filter; Planting a Drought Resistant Tree2005-10-20
4. Flat Tire; Aluminum Rain Gutter; Thermal Expansion Tank2005-10-27
5. Rose Bushes; Wobbly Toilet; Water Leak; Hydraulic Cement2005-11-03
6. Raised Garden Bed with Timbers; Clearing a Bathtub Drain2005-11-10
7. Moss, Algae and Lichen; Leaky Water Valve; Planting Shade2005-11-17
8. Circular Saw 101; Outdoor PEX Faucet; Cabling an Oak Tree2005-11-24
9. Garage Roof Re-Shingling with Asphalt; Fiberglass Shingles2005-12-01
10. Pruning an Overgrown Privet Hedge; New Laundry Sink2005-12-08
11. Snowthrowers; What Is It? Installing A New Exterior Door2005-12-15
12. Washing Windows; What Is It? Flushing an Electric Water Heater2005-12-22
13. New Vinyl Floor; What Is It? Preventing Frozen Pipes2005-12-29
14. Radon Mitigation System; Pruning an Apple Tree2006-01-05
15. In-Ground Sprinkler System; Pouring a Concrete Footing2006-01-12
16. Choosing Hammers; Pressure-Assisted Toilet; Plastered Wall2006-01-19
17. Residential Well Repair; Repairing a Hole in Vinyl Siding2006-01-26
18. Transplanting a White Spruce; Extending a Staircase Handrail2006-02-02
19. Custom Radiator Cover; Installing a Steam Humidifier2006-02-09
20. Granite Driveway Marker; Hot Water Radiator System2006-02-16
21. Water Heater; Planting Trees to Save Energy; Cellulose Insulation2006-02-23
22. Cast-Iron Radiator and Bathtub; Grading; Wobbly Newel Post2006-03-02
23. Replacing an Interior Door; Leaky Kitchen Faucet2006-03-09
24. Replacing a Dishwasher; Sharpening a Chisel; Lawn Spreaders2006-03-16
25. Cutting Ceramic and Stone Tile; Installing a Sump Pump2006-03-23
26. Mini-Split Air Conditioning System; De-Thatching a Lawn2006-03-30
