24
Feb 2026
What a Sill Sealer is Intended to Do In crawl space homes, a sill sealer is commonly placed between the concrete foundation and the sill plate. Its primary purposes are [...]
12
Feb 2026
Minimizing Field Modifications to Soffit Boards We would like to introduce a new installation idea for use with 3/4” Cedar Channel and T&G Soffit Boards. This detail is designed [...]
12
Feb 2026
ICC-ES ESR-4161 CBC/CRC SUPPLEMENT / ESL-1274 The Joto-Vent System® 1x6 Joto-Vent "KP-L150U", in conjunction with Architectural Covering "WACF-U45" complies with the performance requirements of ASTM E2886 as described in [...]
26
Jan 2026
Example of Stucco Wall Assembly with Joto-Vent This detail proposing an assembly that uses a weep screed. When Joto-Vent is used, a space is required between the foundation and [...]
19
Dec 2025
Field-Tested in Washington State This is based on on-site measurements conducted in an actual residential building in Washington State. The study compares the Joto-Vent System® continuous perimeter vent system [...]
18
Nov 2025
Oregon Building Codes Joto-Vent System® is installed between the foundation and the sill plate, allowing crawlspace vents without making holes in the concrete foundation or cutting into the exterior [...]
18
Nov 2025
Anchor Bolt Layout Planning For the Joto-Vent System, a ventilation gap is created between the concrete foundation and the sill plate. The ICC-ES Acceptance Criteria (AC497) require that this [...]
12
Nov 2025
3 Examples of Installation With and Without Joto-Vent. Joto-Vent is designed to provide continuous ventilation around the entire foundation. However, in some cases – such as under porches or [...]
30
Oct 2025
Where Function Meets Aesthetics The Joto-Vent’s “continuous” Soffit Vent combines efficient attic ventilation with a seamless eave appearance. For 3/4” soffit boards, discreet slits are cut into the board, [...]
06
Oct 2025
Design Challenges to the New Energy Code in WA Recent energy code updates often require 1” rigid foam insulation applied to the exterior sheathing. When combined with the Joto-Vent [...]