We removed lath and plaster from pre 1950’s house in seattle and found a white powder insulation. Asbestos survey came back negative, but would still like to know what this stuff is. It is very fine and has brown paper between it and the lath. The powder is the consistency of flour.
Discussion Forum
Discussion Forum
Up Next
Video Shorts
Featured Story

Look closely at these common locations for hazardous materials in older homes.
Featured Video
SawStop's Portable Tablesaw is Bigger and Better Than BeforeRelated Stories
Highlights
Fine Homebuilding Magazine
- Home Group
- Antique Trader
- Arts & Crafts Homes
- Bank Note Reporter
- Cabin Life
- Cuisine at Home
- Fine Gardening
- Fine Woodworking
- Green Building Advisor
- Garden Gate
- Horticulture
- Keep Craft Alive
- Log Home Living
- Military Trader/Vehicles
- Numismatic News
- Numismaster
- Old Cars Weekly
- Old House Journal
- Period Homes
- Popular Woodworking
- Script
- ShopNotes
- Sports Collectors Digest
- Threads
- Timber Home Living
- Traditional Building
- Woodsmith
- World Coin News
- Writer's Digest