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Roof, Siding & Windows Articles

Articles on Roof, Siding & Windows from Russ Motyko, a Certified Master Inspector with 3,000+ inspections in Oregon and Washington.

32 Articles
3,000+ Inspections
100+ Inspectors Trained
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Wasp Nests, Bird Nests and Gaps at the Eaves: What Russ Notes at the Roofline

Wasp nests under the soffits and open gaps at the eaves showed up in dozens of Russ's reports. What those openings mean and what to have sealed.

Nov 1, 2026 • 21 min read Read Article
Roof, Siding & Windows

Apparent Mold at the Eaves: Why Exposed Roof Sheathing Turns Dark

Dark, mold-like growth on the roof sheathing at the eaves came up at 19 of Russ's inspections. The...

Nov 1, 2026 • 21 min read
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Roof, Siding & Windows

Two Layers of Shingles: What a Roof-Over Means for the Next Roof

Two or three layers of shingles came up at 9 of Russ's inspections. Why roofers lay over, what...

Nov 1, 2026 • 21 min read
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Roof, Siding & Windows

Flat and Low-Slope Roofs: Ponding, Open Seams, Blisters and Shingles Where They Don’t Belong

Flat roofs fail differently than shingle roofs: ponding, open seams, blisters and clogged drains. What Russ finds on...

Nov 1, 2026 • 25 min read
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Roof, Siding & Windows

Exposed Roof Nails, Pump Jack Holes and Other Shingle Installation Mistakes

Nails driven too low, holes left by siding crews, shingles laid too far apart. What Russ finds on...

Nov 1, 2026 • 25 min read
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Roof, Siding & Windows

Skylights: Leaks, Condensation, Fogged Glass and Stained Skylight Shafts

A stained skylight shaft can be a roof leak or condensation. How Russ tells them apart, plus fogged...

Nov 1, 2026 • 26 min read
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Roof, Siding & Windows

Buying a Stucco or EIFS House: What a Home Inspection Can and Can’t See

Stucco and EIFS hide their problems behind the finish. What Russ finds on stucco houses around Portland, why...

Oct 29, 2026 • 25 min read
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Roof, Siding & Windows

Pella ProLine Casement Window Rot: The Class Action, the Settlement, and What to Look For Now

Owners alleged water got behind the cladding on Pella ProLine casement windows made 1991 to 2009. The lawsuit,...

Oct 29, 2026 • 24 min read
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Roof, Siding & Windows

Moss on Your Roof in Portland: How Serious Is It?

Moss on a Portland roof is one of the most common inspection findings in the Pacific Northwest.

Oct 6, 2026 • 22 min read
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Roof, Siding & Windows

What Is Drip Edge and Why Do Inspectors Flag It So Often?

Drip edge shows up on inspection reports constantly and most buyers have never heard of it.

Oct 5, 2026 • 21 min read
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