12 Statistics About Secondary Glazing Acrylic Options To Refresh Your Eyes At The Cooler. Cooler

· 5 min read
12 Statistics About Secondary Glazing Acrylic Options To Refresh Your Eyes At The Cooler. Cooler

Improving Home Efficiency: A Comprehensive Guide to Secondary Glazing Acrylic Options

In a period where energy costs are rising and ecological sustainability is a primary concern for property owners, the look for reliable insulation options has magnified. While double glazing is typically touted as the gold requirement for window insulation, it is not always a feasible choice due to high expenses, structural restrictions, or the limiting policies surrounding heritage and noted buildings. This is where secondary glazing works as a flexible and cost-efficient option.

Specifically, acrylic secondary glazing has actually become a frontrunner for those looking for a balance in between efficiency, cost, and ease of installation. This post explores the numerous acrylic alternatives readily available, the advantages of choosing this material, and how it compares to other glazing alternatives.


What is Acrylic Secondary Glazing?

Secondary glazing involves the setup of an extra pane of glass or plastic inside an existing window frame. Unlike complete window replacement, this method protects the original outside window while developing an insulating layer of air between the 2 panes.

Acrylic, clinically known as PolyMethyl Methacrylate (PMMA), is a transparent thermoplastic frequently used as a light-weight and shatter-resistant alternative to glass. It is frequently marketed under brand name names such as Perspex or Plexiglass. Since it is highly versatile and supplies exceptional clearness, it has actually become the favored material for DIY secondary glazing tasks and expert retrofitting alike.

The Different Types of Acrylic Sheets for Glazing

When choosing acrylic for secondary glazing, it is essential to understand that not all sheets are made similarly. The option of material impacts the window's longevity, clearness, and insulation homes.

  1. Extruded Acrylic: This is the most economical option. It is produced by pressing the plastic through a form. It has a lower melting point and is much easier to laser-cut, making it ideal for standard residential window sizes.
  2. Cast Acrylic: Known for its superior quality, cast acrylic is made by pouring liquid active ingredients into a mold.  read more  uses better thermal stability and is less most likely to scratch or warp with time compared to extruded variations.
  3. UV-Resistant Acrylic: Standard acrylic already uses some UV defense, but specialized UV-resistant sheets are designed to block as much as 99% of damaging rays, avoiding the fading of interior carpets, furniture, and art work.
  4. Abrasion-Resistant Acrylic: This type features a hard-coated surface that safeguards the sheet from scratches and chemical damage, making sure the glazing remains crystal clear even after years of cleansing.

Comparing Glazing Materials

To understand why acrylic is a favorable option, it is useful to compare it versus other typical materials used in secondary glazing, such as polycarbonate and traditional glass.

FunctionAcrylic (PMMA)PolycarbonateStandard Glass
OpennessExcellent (92%)Good (88%)Excellent (90%)
Weight50% lighter than glass50% lighter than glassHeavy
Impact Resistance10x more powerful than glass250x more powerful than glassLow/ Fragile
Thermal InsulationHighHighModerate
CostBudget-friendlyPremiumHigh (for retrofitting)
Scratch ResistanceModerateLowHigh
Ease of DIYHighHighLow

Key Benefits of Acrylic Secondary Glazing

The shift towards acrylic secondary glazing is driven by numerous functional benefits. For numerous homeowners, the decision is based upon three main aspects: thermal efficiency, acoustic insulation, and cost.

1. Thermal Efficiency and Heat Retention

Acrylic is a naturally insulating product. When set up as secondary glazing, it develops a fixed air pocket that serves as a thermal barrier. This minimizes "U-values" (the rate of heat transfer), implying the home stays warmer in the winter and cooler in the summertime. This decreased dependence on cooling and heating systems leads to considerable decreases in annual energy bills.

2. Acoustic Insulation (Noise Reduction)

For citizens living near busy roads, airports, or rail lines, sound pollution is a substantial concern. Acrylic is often denser than thin glass panes found in older windows. When a space of around 100mm to 150mm is maintained between the main window and the acrylic sheet, the system can minimize external sound levels by approximately 80%.

3. Safety and Durability

Acrylic is practically unbreakable. Unlike glass, which can break into hazardous shards upon effect, acrylic is extremely resistant to require. This makes it an ideal choice for households with children or pets. Furthermore, its light-weight nature puts less stress on existing window frames and makes the setup procedure much more secure for a bachelor to deal with.

4. Looks and Preservation

One of the best advantages for owners of historical or noted properties is that acrylic secondary glazing is "discreet and reversible." It does not change the external appearance of the building, satisfying most local preparation authorities. The high transparency of acrylic guarantees that the view remains unobstructed.


Installation Methods for Acrylic Glazing

One reason acrylic is so popular is the range of installation techniques available, ranging from momentary seasonal fixes to permanent fixtures.

  • Magnetic Strip Systems: This is the most typical DIY approach. Magnetic tape is used to the window frame and the edge of the acrylic sheet. This permits the pane to be easily gotten rid of for cleaning or throughout the summertime when ventilation is required.
  • Plastic Clips and Turnbuttons: Small clips are screwed into the window surround to hold the acrylic sheet securely in place. This is a safe and secure method that still allows for seasonal elimination.
  • Screw-in Frames: For a more permanent service, acrylic sheets can be mounted within a slim aluminum or PVC frame that is then screwed into the window expose.
  • Adhesive Tape: While the most affordable choice, using high-bond double-sided tape is usually prevented for long-term use as it makes getting rid of the sheet for window maintenance challenging.

Upkeep and Care

To guarantee the longevity of acrylic secondary glazing, correct upkeep is necessary. Acrylic is softer than glass and can be scratched if treated poorly.

  • Cleansing Agents: Never utilize window cleaners including ammonia or alcohol (like Windex), as these can "trend" (produce tiny fractures) or cloud the surface of the acrylic. Instead, utilize lukewarm water with a mild meal soap.
  • Fabric Selection: Only use soft microfiber cloths. Paper towels or abrasive sponges can leave great scratches that dull the openness gradually.
  • Fixed Management: Acrylic can attract dust due to static electricity. Using an anti-static cleaner specifically developed for plastics can assist keep the sheets cleaner for longer.

Frequently Asked Questions (FAQ)

Q: Does acrylic secondary glazing cause condensation?A: Secondary glazing is actually developed to reduce condensation on the main window by keeping the inner surface warmer. However, if the seal isn't perfect, some wetness might get caught. Including a small sachet of desiccant or ensuring the room is well-ventilated can mitigate this.

Q: Is acrylic or polycarbonate much better for windows?A: For secondary glazing, acrylic is typically better because it is more UV-resistant and offers greater clearness. Polycarbonate is stronger but is more prone to scratching and can yellow gradually if not treated with expensive coverings.

Q: What density of acrylic should I utilize?A: For a lot of property windows, a density of 3mm or 4mm is sufficient. For extremely large windows or where maximum soundproofing is needed, 5mm or 6mm might be better.

Q: Can I install this on listed structures?A: Generally, yes. Due to the fact that secondary glazing is an internal addition and does not change the fabric of the building's outside, it is typically permitted. However, it is constantly advised to check with your regional planning office initially.

Q: How much cash can I conserve on energy costs?A: While outcomes vary based upon the home, house owners can normally anticipate to see a 10% to 15% decrease in heat loss through windows, which correlates substantially to lower heating costs.


Acrylic secondary glazing represents a high-performance, available, and visually pleasing solution for contemporary home insulation needs. By offering the clarity of glass with the toughness and thermal properties of modern polymers, it enables homeowners to upgrade their living environment without the cost or invasion of complete window replacements. Whether the objective is to lower energy costs, block out street noise, or safeguard a heritage home, acrylic choices offer a flexible course towards a more comfy and efficient home.