Insulation & Air Sealing

making sure flashing tape stick pro remodeler

A look at what makes flashing tape so sticky and why the way you install it determines how well it stays stuck

A look behind the walls of the New American Remodel 

Expanding and updating a cramped Mid-Century home was the mission for the 2018 Model ReModel

How much moisture air can hold depends on the temperature, which is why they call it “relative humidity.” Here’s how it works and why it matters.

pro remodeler's top 100 products

Professional Remodeler’s annual roundup of the top 100 products as chosen by you, our readers

Tightening this complex intersection of framing materials

the-new-american-remodel

The home’s living room has the same footprint as pre-renovation, although it has been updated with new moldings and paint, as well as engineered hardwood flooring. The variegated wood plank and parquet floors are in the hallway, living and dining rooms. 

The New American Remodeled home’s interior shows off the latest products and technologies

Installers can leave a gap of a few inches to protect the drywall from moisture.

How to prevent moisture damage in residential and commercial bathrooms

When a balloon loses air or depressurizes, it gets smaller (and makes a funny sound), but houses don’t roll like that 

the 2018 the new american remodel home

Restored ironwork and a return to French doors in the façade keep the focus of The New American Home on the original home’s core as something that remained true to its period design while also transcending the traditional architecture of its old Orlando neighborhood. The side additions and connecting stone-and-brick terraces project a timeless estate feel that fits Florida, but would be equally at home in the Northeast or Midwest.

Carefully chosen and finely detailed products define the 2018 New American Remodel

A hole was opened up in the soffit, but rather than encountering solid foam, small beads and dust poured out of the opening. 

How can indoor air quality become so bad when there's penty of venting and no toxic materials? 

Tests for permeability measure vapor diffusion through a material with 50 percent RH air on one side and either a desiccant (“dry cup test”) or liquid water (“wet cup test)” on the other.

Understanding how water vapor interacts with building materials is critical to avoiding moisture problems in building assemblies

ben bogie putting in a window

For fast, accurate installation, organize and cut trim pieces by window size, then preassemble into frames in the shop

old masonry building insulation-photo-old brick wall

Letting brick dry evenly is the key to avoiding water problems

An interior chase on an exterior wall is an often-overlooked source of major air leaks

zip system ben bogie model remodel

As the country gets greener, this product keeps gaining fans

This OSB-foam-WRB sandwich meets shear requirements with standard-length nails

RetroFoam installation

Pennsylvania remodeler Dennis Gehman on why he likes this three-part resin for insulating his company's remodeling projects 

installing rigid foam insulation on home exterior

All photos: courtesy Dan Morrison

On the second layer, offset and tape the seams, and use the rainscreen strapping to hold everything in place

Insulating older homes is an all-or-nothing proposition. Just blowing insulation into the walls can create moisture problems that will rot the wood structure from the inside out.

Overlay Init