Okla. Admin. Code § 35:30-17-67

Current through Vol. 42, No. 4, November 1, 2024

Section 35:30-17-67 - Void treatment

(a) Voids shall be drilled or otherwise entered and treated. Drill holes shall be securely plugged after treatment except in crawl spaces, unless required by the label. Application pressure shall not exceed 25 psi.

(b) Masonry veneer voids shall be entered and treated.

(1) Veneer resting on unbroken concrete that extends more than twelve inches (12") above the outside grade shall not require treatment.

(2) Masonry veneer shall be treated by drilling at intervals no greater than sixteen inches (16") and applying termiticide into the void at the label rate.

(3) The treatment holes shall be no higher than the level of the top of the slab.

(c) Voids in a given row of a concrete block wall, except those sitting on an unbroken concrete slab floor, shall be drilled or entered and treated.

(1) Drilling may follow the grade contour, but shall not be made in the bottom row of blocks. The concrete blocks that sit on an unbroken concrete slab floor shall not be drilled and treated. Where termite activity is present, the floor slab shall be drilled or rodded underneath.

(2) Where concrete block foundations have adequate openings at the top, treatment may be applied at the opening in lieu of drilling so long as stated in the contract.

(d) Chimneys shall be treated in all critical areas.

(1) Critical areas to be treated are the expansion joints between the floor slab and stem wall, the fireplace and chimney base and stemwall, and the outer voids.

(2) The fireplace and chimney base and stemwall may be treated by long rodding.

Okla. Admin. Code § 35:30-17-67

Amended at 8 Ok Reg 3355, eff 7-30-91 (emergency); Amended at 9 Ok Reg 1749, eff 5-26-92; Amended at 12 Ok Reg 3408, eff 7-11-95 (emergency); Amended at 13 Ok Reg 1863, eff 6-14-96; Amended at 17 Ok Reg 1018, eff 5-11-00; Amended at 27 Ok Reg 2441, eff 7-25-10