Dunn Lumber

09/08/2026

Exterior insulation is becoming an increasingly important part of building energy-efficient homes.

Products like ZIP System™ R-Sheathing combine structural sheathing, a water-resistive barrier, and continuous exterior insulation into a single panel. By helping reduce thermal bridging and air leakage, these systems can improve a home's overall energy performance.

Learn more about ZIP System™ R-Sheathing on the blog.

If you are in some way connected to the building industry, it probably feels like the Washington State Energy Code is a continuous topic of conversation.

09/03/2026

Replacing a window is one thing. Relocating a window is another.

Moving a window in an existing wall can involve structural considerations, utility relocation, temporary support, and careful reframing. A successful project starts with understanding how the wall is built and how the new opening will affect the structure.

In this guide, carpenter Daniel Westbrook walks through key considerations and best practices for relocating a window, from planning and demolition to framing the new opening.

08/27/2026

A great outdoor living space is about more than just a deck.

Features like lighting, heating, outdoor kitchens, and entertainment systems can help you transform your backyard into a space that's comfortable, functional, and built around how you live.

In this episode of our Outdoor Living Series, we discuss popular outdoor living features and share ideas for creating a space that works for your home, lifestyle, and budget.

08/25/2026

Siding has a big job to do. From UV exposure to changing weather conditions, the finish on your siding helps protect your home's appearance year after year.

James Hardie's ColorPlus® Technology uses a factory-applied, baked-on finish designed to provide consistent color, long-lasting performance, and reduced maintenance.

In this video, we explore the history behind Hardie® Siding with ColorPlus® Technology finishes and take a closer look at what sets it apart from traditional field-painted siding.

07/28/2026

Considering manufactured decking but worried about heat? In this episode of our TimberTech Decking Series, AZEK University’s Pat Maher explains how to plan for a deck that stays cooler and more comfortable—even on the hottest days.
☀️Why colors matter
☀️PVC vs. capped composite
☀️How to test decking samples before you build

Watch the full video to learn more.

07/23/2026

Pressure-treated lumber is one of the most common materials used for deck framing, fences, and other outdoor projects—but have you ever wondered how it's made?

Head to the blog to watch industry expert Dennis McWhirter walk through the manufacturing process and explain what happens before pressure-treated lumber arrives at your local lumberyard.

07/16/2026

If you've driven past our Green Lake store during the World Cup, you may have noticed a banner displayed on the side of our building.

We partnered with a local organization to support a community awareness campaign focused on human trafficking and exploitation. While the message was intentionally bold, the goal was to raise awareness, encourage accountability, and support efforts to create a safer community.

As the tournament comes to a close in Seattle, we're grateful for the positive response we've received from neighbors who share our hope for meaningful change in the area.

06/25/2026

Do you know how to size deck footings and support posts?

Understanding tributary areas is critical to building a safe, long-lasting deck. It's how you determine how much of your deck's surface each post and footing is responsible for supporting, and how that load gets distributed across the structure.

In this guide, we walk through the basics of calculating tributary areas so you can choose the right materials and build with confidence.

Follow the link to get step-by-step instructions.

One of the most common questions we get from people building a deck is how to properly plan for the size of their footings and support posts.

06/12/2026

Designing a deck is about more than picking materials. It's about how the space fits your home and how you'll actually use it.

We spoke to an award-winning deck builder about trends, features, materials—and creating a seamless flow between your indoor and outdoor spaces. Thoughtful choices can help your deck feel like a natural extension of your home, built for both function and long-term durability.

Follow the link to get expert tips for your next deck project.

“I really encourage homeowners to go for a timeless look because trends go out of fashion” - Jim Coshow

06/02/2026

Build smarter, not harder. TimberTech’s new aluminum framing is lighter than steel, easier to install, and built to last for decades. We’re breaking down how it’s changing the way pros and homeowners approach deck building.

Watch the episode now to learn how aluminum framing can make a world of a difference.