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Morgan
Posts
Three-to-Six Pitch Greenhouse Snow Drain Guide
A pitched greenhouse roof should shed rain and snow reliably, and the thumb rule from house construction gives clear pitch ranges to follow. For glass…
Three-Inch Clearance For Non-IC Recessed Lights
Non-IC rated recessed fixtures must have a consistent clearance from insulation to meet fire and thermal performance requirements. For safety and performance, maintain three inches…
One to Two Percent Window Well Drain Slope Guide
Slope the bottom of a basement window well gently toward the drain to keep water from pooling and protect your egress window. The practical thumb…
Condensers Generators Setback ThreeToFiveFt Guide
Maintain at least three to five feet of clearance from the property line for condensers and generators to address noise, service access, and safety. For…
Six Times Conduit Diameter Long Sweep Pull Tips
The conduit bend radius thumb rule for house construction is that pulling cables safely depends on maintaining gentle sweeps to prevent insulation damage and to…
FourToSix Inch Riser Rule Wire Mesh Frostproof Steps
For exterior concrete steps at a house the practical thumb rule is to make risers and treads thick enough to resist frost heave and wear…
Mowable Lawn Slope Guide 2–5% Drainage Thumbrule
A safe, mowable, and well-draining lawn around a house should generally stay under a twelve percent slope, with a preferred drainage range of two to…
Operable Louver Clearance 3–6 Inch Maintenance Guide
Shading devices should have a minimum clearance from glazing so they can be maintained, avoid contact under wind and thermal movement, and not interfere with…
Soil Stack Vent Two-Foot Rule Roof Termination Guide
Soil stack vents must extend above the roof to prevent siphoning and keep odors out of the living space. Follow the thumb rule that a…