Office & Retail Renovation in North Hollywood

North Hollywood shop and office renovations with storefront posts and sills detailed to shed water, keeping steel and wood framing dry. Aspenwell.

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Rust starts where a steel column meets wet concrete, so the base of each new storefront post in a North Hollywood shop is set where water drains away from it. The base plate sits on non-shrink grout, the concrete around it slopes off, and the post is coated before the finish wraps it. Wood framing beside the opening gets the same care, because a damp sill plate loses its grip on the anchor bolts.

The sill and the frame

Under the new storefront glass, a sill pan with end dams catches any water that passes the glazing and sends it back outside through weep holes. The pan laps over the building paper or membrane at the wall, so a leak cannot run behind it. Above the opening, the head gets flashing that turns water out past the face. At the jambs, sealant backed with foam rod forms the last line, and it can stretch as the frame moves in heat or a quake.

Roof water and the inside of the space

When a renovation adds a rooftop unit or a skylight, the curb is flashed into the roof membrane and the roof is checked for low spots that would pond around it. Downspouts that empty beside the front wall are carried away from the new footings, since soaked soil under a footing can settle. Inside, any new restroom floor gets a membrane, and its doorway is kept flush and accessible. Supply lines are given shutoffs at each fixture so a leak can be stopped where it starts.

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