AWF Blog

When working on residential or commercial construction projects, the terms fireblock and firestop are often used interchangeably—but they are not the same thing. While both help improve fire safety within a building, they serve very different purposes and are governed by different building code requirements. Understanding the difference between fireblock and firestop materials is critical for contractors, builders, inspectors, and facility managers looking to maintain code compliance and m …

Let’s be honest—most people don’t think twice about the small gaps in walls, ceilings, or floors. A pipe runs through drywall.A few cables pass between rooms.Maybe a joint where two materials meet. No big deal… right? Actually, those tiny openings can become one of the biggest risks in a building during a fire. The Problem With “Small” Gaps In everyday conditions, those gaps don’t seem like much. But in a fire? They turn into pathways. Flames, smoke, an …

If you’ve ever had to seal around pipes, cables, or joints in a rated wall or floor, you’ve probably heard the term firestop. But what does that actually mean in real-world terms—and where does Metacaulk 150+ come into play? Let’s break it down in a way that actually makes sense on the job. So… What Is Metacaulk 150+? At its core, Metacaulk 150+ is a fire-rated, intumescent sealant. That means it’s designed to: Seal openings in fire-rated walls and f …

In commercial construction and building maintenance, choosing the right sealant can make a significant difference in long-term performance. Sealants protect structures from water intrusion, air leaks, and environmental exposure, making them a critical component of the building envelope. One product frequently specified for these demanding applications is Spectrem® 2, a high-performance silicone sealant developed by Tremco. Known for its durability, flexibility, and strong adhesion, Spectrem …

When sealing building joints, not all sealants perform the same. Some crack when materials expand, others lose adhesion over time, and many simply can’t handle the movement modern buildings experience. That’s where Spectrem® 1 silicone sealant stands apart. Designed for demanding construction environments, Spectrem 1 is a single-component, moisture-cure silicone sealant built to handle extreme joint movement, difficult substrates, and long-term exposure to weather. Whether y …

When we talk about energy efficiency, most people think about insulation in the walls or attic. But here’s the truth: even the best insulation can’t do its job if air is slipping through hidden cracks around your framing. That’s exactly where Great Stuff Pro Gasket comes in. This isn’t your typical spray foam. It’s a smart, purpose-built gasket-in-place foam designed to create an airtight seal between drywall and framing — helping you build tighter, more energ …

Spray foam insulation is one of those products people think they understand — until they’re standing in front of a shelf (or staring at a product page online) wondering why there are 15 different terms and 5 different options that all look basically the same. Wide spray. Gap filler. Insulation kits. Pro foam. Contractor foam. DIY foam. So, what’s the difference? And more importantly — does it really matter which one you use? Short answer: absolutely. Using the wrong spray …

Insulation is one of those home upgrades that nobody gets excited about… until the house feels like a sauna upstairs, a freezer downstairs, and your energy bill is basically a jump scare. Then suddenly insulation becomes VERY interesting. And if you’ve started researching spray foam, you’ve probably seen names like: Froth-Pak Handi Foam Open Cell Handi Foam High Density Handi Foam Channel Fill Handi Foam Slow Rise Foam And thought: Okay but… which one do I a …

When most people think about pest control, they think about sprays, traps, or exterminators. But one of the most effective ways to help keep bugs and critters out of a home doesn’t involve pesticides at all — it starts with sealing the gaps they use to get inside. Tiny openings around pipes, vents, rim joists, and siding act as easy entry points for spiders, ants, cockroaches, and other pests. GREAT STUFF PRO™ Pestblock Polyurethane Foam Sealant is designed to expand into those …

If you’ve ever looked at insulation and thought,“Okay… but what does R-value actually mean?”you’re definitely not alone. It’s one of the most common terms in construction and home improvement — and one of the least clearly explained. So let’s fix that. No textbook language. No engineering degree required. First things first: what is an R-value? R-value is simply a way to measure how well something resists heat flow. Heat always wants to move from …