How to improve the constructability of cellulose on a high-temperature wall during the summer
As summer temperatures rise, the need for building insulation and cooling systems increases. Among various types of insulation, cellulose insulation has become increasingly popular due to its sustainability and cost effectiveness..However, the application of cellulose insulation to high-temperature walls poses certain challenges..In this paper, we will discuss ways to improve the constructability of cellulose on high-temperature summer walls.
What is Cellulose Insulation?
Cellulose insulation, an eco-friendly insulation made from recycled newsprint, is treated with boric acid or ammonium sulfate to make it resistant to fire, mold and insects..Cellulose insulation can be blown into walls, floors and attics to create a dense barrier that increases energy efficiency and reduces noise transmission.
Challenges in the application of cellulose insulation to a high temperature wall.
On hot summer days, the temperature of the high-temperature walls may exceed the recommended range for cellulose insulation..This can cause the cellulose insulation to settle, clump, or blow out, resulting in reduced insulation effectiveness and potentially leaving uncovered areas. The following are some of the challenges that need to be addressed when applying cellulose insulation to high temperature walls:
- Thermal bridging: Thermal bridging, or the transport of heat through building materials, causes hot spots on hot walls and can accelerate the settling of cellulose insulation.
- Wind pressure: Wind pressure can cause cellulose insulation to blow away from the heat walls, leaving uncovered areas and reducing the effectiveness of insulation.
- Moisture: High-temperature walls that are not adequately sealed or ventilated can allow moisture to penetrate and settle in the cellulose insulation, resulting in mold growth and reduced insulation effectiveness.
Steps to improve the constructability of cellulose on high temperature walls.
To improve the constructability of cellulose on high temperature walls, the following steps should be taken:
- Proper sealing and ventilation of walls: Before applying cellulose insulation, high-temperature walls should be sealed and ventilated to prevent moisture from penetrating and settling in the insulation..This will also reduce thermal bridging, making the wall surface more uniform and reducing the risk of hot spots.
- Densely packed cellulose insulation: Densely packed cellulose insulation is a type of cellulose insulation that is blown at high pressure to create a compact, homogeneous layer..This will ensure that the insulation does not settle or clump, even in high temperature conditions.
- Use netting: Netting can be used to hold the cellulose insulation in place and prevent it from blowing off the wall due to wind pressure.
- Use spray foam: Spray foam can be used to fill gaps and cracks in high-temperature walls, reducing thermal bridging and ensuring that cellulose insulation is applied evenly.
- Monitor temperature and humidity: It is important to carefully monitor temperature and humidity during the installation process..This will ensure that the cellulose insulation is applied under appropriate conditions and is not compromised by moisture or excessive heat.

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