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How do you replace an Eichler roof in Marin County?

Short answerThe usual choices for a Marin Eichler are spray polyurethane foam with a coating, a single-ply membrane such as TPO, or modified bitumen. Each needs proper drainage and edge details, and adding insulation above the deck is common. Costs vary with size and repairs; get a free written estimate.

Every roofer we work with is licensed, insured and highly reviewed by Bay Area homeowners.

Updated · Sources reviewed November 12, 2026 · By Marin Roof Replacement

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Why are Eichler roofs different?

Eichler homes, found in Lucas Valley, Marinwood and Terra Linda, have flat or very low-slope roofs with exposed beams. Shingles need a steeper slope and aren't used on these roofs; even standing seam metal needs at least 1/4:12 (CRC R905).

What are the roofing options?

Most Eichler owners choose between spray foam, which insulates and needs a coating renewed periodically, and a TPO membrane (InterNACHI: 7 to 20 years). EPDM (15 to 25), modified bitumen (about 20) and traditional built-up roofing (about 30) are the other options (InterNACHI).

What about the ceiling and insulation?

Many Eichlers have tongue-and-groove planks that serve as both the roof deck and the exposed ceiling. Rot or water stains show inside, and replacement boards need to match. Add insulation above the deck, because there's no attic to insulate.

What's specific to Marin County?

Marin's Eichler neighborhoods in Lucas Valley, Marinwood and Terra Linda are in climate zone 2, so there's no low-slope cool-roof mandate. Fire is the bigger factor on the hillsides around them: check your address on CAL FIRE's map, and ask for a Class A rated system (FIRESafe MARIN).

How do I get the right roofer?

Pick a contractor who installs foam or single-ply systems regularly and can show Eichler jobs. The bid should spell out insulation thickness, drains, scuppers and skylight flashing. For your actual price, request a free written estimate: a licensed roofer measures the roof and prices your exact scope. See flat roof replacement, cool roof rules and dry rot and decking.

Every roofer we work with is licensed, insured and highly reviewed by Bay Area homeowners.

Get a free replacement quote

Frequently asked questions

Is foam or TPO better for an Eichler?

Both work. Foam adds insulation and is seamless; TPO is a reflective membrane. Ask for both in your bids.

Do Eichler roofs need a cool roof?

Only in climate zones 4 and 6 to 15 for low-slope reroofs, when more than half is replaced.

Related questions

Sources

Sources reviewed November 12, 2026. Figures are published estimates and official fees, not quotes. Confirm prices, permits and requirements with your contractor and building department. This page is general information, not legal or insurance advice.