icf-blocks / Green Building & Sustainable Home Renovation Information & Advice

ICF Block Construction - The Definitive History of ICFs from 1932 to 2023 © R j
Concrete and masonry

The definitive history of ICF blocks and ICF construction

The Definitive History of ICFs - Contents What is the history of ICFs ? What is the History of Plastic foam ICF's  ICF blocks aren't made of styrofoam Who invented foam ICF construction blocks? Which was the first ICF block construction? What happened next in the history of ICFs? The History of ICFs Timeline ...

Concrete, wood and steel structures compared - Timber Frame wins!
Materials and resources

How wood structures compare to steel and concrete for Carbon Footprint

Wood, steel and concrete each have specific structural advantages, each with their own characteristics. The following is a life-cycle comparison conducted by the Athena Sustainable Materials Institute (ASMI) of the materials only, and does not include any considerations of how they each affect thermal performance, vapo...

Choosing a building envelope
Wall assemblies - new construction

Choosing a building envelope - starting with the perfect wall

What is the best wall system for a home?  We're frequently asked which is the perfect wall system for high-performance LEED, Passive House or Zero Energy Homes, Well, a perfect Answer to that Is, first Ask the Right Questions! - After all, what is the best way to get from one place to another?  You have to choose betwe...

Reduced carbon concrete Patio blocks and CMU
Concrete and masonry

Reducing emissions with CO² cured-concrete

A new cement block manufacturing process developed by an American company named Solidia Technologies® produces 40% fewer emissions during manufacturing than conventional concrete, resulting in a dramatically lower environmental footprint. Solidia’s concrete is formulated with less lime and is cured at lower temperature...

Ice dams on roofs & how to fix them
Roof assemblies - renovation

What causes ice dams and how to fix them

Ice dams form at the bottom of roofs, letting water penetrate and cause damage to the interior of walls and roofs.  When snow melts on a roof it runs down until it meets the unheated bottom edge of a roof and then freezes. This chunk of ice is called an ice dam, and it can cause water to backup beneath shingles and Ice...

Smart Door Lock Buying Guide - Easy DIY Project
Mechanical systems

Smart door lock buying guide

What is a smart lock for a home? Smart door locks are deadbolt front door locks that can be operated in a number of ways - either with a smartphone, a fingerprint reader, passcodes and combinations, or with voice command to Alexa or google phone to activate smart door locks. Everyone has probably at some point locked t...

Smart Homes, Technology & UV can Help Reduce COVID-19
Cleaning and maintenance

Keep homes cleaner & safer with smart home features & UV light

Coronavirus or COVID-19 is changing how we live, obliging us to practice social distancing and promoting fervent hand-washing. Until the latest developments in biosensor testing devices for viruses allow rapid on-site and accurate verification of coronavirus infection, the cleaner we can keep the surfaces in our homes,...

Top Tips for Getting a House Ready for Winter
Wall assemblies - renovation

Winter preparation for your home - are you ready for the cold?

Top Tips for preparing a home for winter Extremely low temperatures over winter can test your home in many ways, and sometimes your house will return a failing grade. Even brand new homes built to code can see failures of their building envelopes, windows, doors and ventilation systems during winter, a simple failure t...

Insulated Radiant Floor ICF Foam Forms Heated with Air
Delivery: radiant, forced-air and decentralized

Air-heated radiant floor slab foam forming systems

Radiant heating systems are very common in concrete floors now because they provide a very balanced and comfortable distribution of heat. Those systems are most commonly hydronic, meaning heated liquid is pumped through tubing in the concrete which then radiates that heat into the house. View the slab on grade foam for...

Frost in Attics: What causes Attic Ice? How to Fix it?
Roof assemblies - renovation

Why is there frost in my attic? Is ice in roofs a problem & How do I stop it?

Frost in Attics: why is there Ice in my roof?  When a warm sunny day arrives after a long cold stretch and it seems like you have a roof leak when there isn't a cloud in the sky, it's probably Attic Icing, otherwise known as Ice Dams or Ice Damming, and the surprising thing is that it's very unlikely that the roof cove...

Repainting and refinishing brick facades
Exterior cladding

All about painting brick, is it a good idea and what paint to use?

Is painting brick a good idea? Bricks will absorb moisture from the interior of a home and they need to be able to expel that moisture; applying paint to the exterior can cause the paint and masonry to lift, peel or crack as it can become susceptible to freeze thaw cycles in cold climates. Beyond just aesthetics, moist...