Hidden Hills ADU Construction on a Stone Base
Hidden Hills ADU construction with a stone veneer base, tempered patio doors and a terrace of pavers, planned for ember rules on mapped parcels.
A stone veneer wainscot along the base of a Hidden Hills ADU protects the lowest part of the walls, where wind-blown embers and dry leaves tend to collect. Some parcels in Hidden Hills fall inside mapped fire hazard zones, so ember-resistance rules may apply, and noncombustible stone answers them at the ground line. Above it, cement plaster rises to a deep eave, and tempered patio doors lead from the main room to a paved terrace.
Why the base of the wall comes first
Embers carried on wind roll along the ground and pile against whatever stops them, so the lowest band of wall takes the worst of it. Natural or manufactured stone set in mortar over a drainage layer gives that zone a surface that will not ignite. A metal weep screed at the bottom lets moisture out, and gravel or pavers meet the stone so no mulch touches the wall. The same stone can wrap a low seat wall at the terrace edge, tying the unit to its outdoor room.
The rest of the shell and the review
Above the stone, the walls carry cement plaster, the vents have fine metal mesh and the soffits are closed with noncombustible board. Glazing in each window and door is multipane with a tempered pane. Plans go to the building official for Hidden Hills, and on a mapped parcel fire officials may weigh in on access and clearance too. Inspectors check the veneer's backing and flashing before the stone goes on, then return for framing, insulation and the final. A metal gutter with a metal guard finishes the roof edge.
ADU Construction in Hidden Hills: what people ask
Where the deep eave can shade the glass and the terrace faces open yard, away from the main house. A stone seat wall or masonry screen set between the buildings keeps each home private without adding anything that burns near either one.
Up to 500 square feet on a single story, a Hidden Hills unit is covered. For Hidden Hills our wall drawings detail the stone base, its flashing and the ember-resistant vents for the reviewer. Fees and the build are quoted after a site visit, apart from the package.
Yes. Tempered dual panes in a wide slider open onto a terrace of concrete pavers bordered by the stone seat wall, with a powder-coated aluminum cover overhead. Furniture with metal frames and planters in clay or stone keep the space easy to clear of anything that burns.
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