Uploaded September 2025 | Updated September 2026, 1 week ago
SUPPORT SB - BECOME A MEMBER π
youtube.com/channel/UC9GdB6vG6m6cDAwrTAWXgyg/join
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LINKS
Acoustic Windows: Are They Your Key to Quiet?
greenmatch.co.uk/windows/acoustic
What Is Acoustic Glass: How It Works And Its Benefits
https://www.finepoint.glass/what-is-acoustic-glass/
Traffic Noise Reduction Strategy in a Large City (Applied Sciences, 2022)
mdpi.com/2076-3417/12/12/6027
____________________________
Key Takeaway:
Acoustic glass can help, but itβs rarely the silver bullet. The best results come from a layered approach that tackles all the ways noise sneaks into your home.
Next Steps You Can Try:
β’ Seal the gaps β around window frames, vents, and trickle vents. Even small gaps let in big noise.
β’ Test with low-cost fixes β hang heavy curtains, blankets, or acoustic liners to see the difference before investing.
β’ Upgrade insulation β denser loft and cavity wall insulation (e.g. mineral wool or rockwool) helps with airborne noise.
β’ Consider secondary glazing β often more effective than replacing windows, thanks to the extra air gap.
β’ Look at shutters β roller or folding shutters can add both thermal and acoustic protection, especially at night.
β’ Combine solutions β no single product βsoundproofsβ a room, but layering strategies can make traffic noise far more tolerable.
____________________________
CHAPTERS
00:00 - Magnoβs question
00:31 - Reduction vs. soundproofing
01:05 - Types of noise
02:04 - Noise transmission
02:34 - Glass thickness
03:33 - Sound perception
04:01 - Acoustic glass
04:32 - Cavity wall insulation
05:00 - Loft insulation
05:29 - Blankets and curtains
06:00 - Secondary glazing
06:55 - Channel support
==========================================
#homeimprovement #soundproofing #acoustics
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(As an Amazon Associate, we earn from qualifying purchases)
==================================
OUR FAVOURITE CHARITIES
π· BAND OF BUILDERS
bandofbuilders.org
β― THE LIGHTHOUSE CHARITY
lighthousecharity.org
π§ CHARITY WATER
charitywater.org
SUPPORT SB - BECOME A MEMBER π
youtube.com/channel/UC9GdB6vG6m6cDAwrTAWXgyg/join
____________________________
LINKS
Acoustic Windows: Are They Your Key to Quiet?
greenmatch.co.uk/windows/acoustic
What Is Acoustic Glass: How It Works And Its Benefits
https://www.finepoint.glass/what-is-acoustic-glass/
Traffic Noise Reduction Strategy in a Large City (Applied Sciences, 2022)
mdpi.com/2076-3417/12/12/6027
____________________________
Key Takeaway:
Acoustic glass can help, but itβs rarely the silver bullet. The best results come from a layered approach that tackles all the ways noise sneaks into your home.
Next Steps You Can Try:
β’ Seal the gaps β around window frames, vents, and trickle vents. Even small gaps let in big noise.
β’ Test with low-cost fixes β hang heavy curtains, blankets, or acoustic liners to see the difference before investing.
β’ Upgrade insulation β denser loft and cavity wall insulation (e.g. mineral wool or rockwool) helps with airborne noise.
β’ Consider secondary glazing β often more effective than replacing windows, thanks to the extra air gap.
β’ Look at shutters β roller or folding shutters can add both thermal and acoustic protection, especially at night.
β’ Combine solutions β no single product βsoundproofsβ a room, but layering strategies can make traffic noise far more tolerable.
____________________________
CHAPTERS
00:00 - Magnoβs question
00:31 - Reduction vs. soundproofing
01:05 - Types of noise
02:04 - Noise transmission
02:34 - Glass thickness
03:33 - Sound perception
04:01 - Acoustic glass
04:32 - Cavity wall insulation
05:00 - Loft insulation
05:29 - Blankets and curtains
06:00 - Secondary glazing
06:55 - Channel support
==========================================
#homeimprovement #soundproofing #acoustics
π SUPPORT SB - BECOME A MEMBER
youtube.com/channel/UC9GdB6vG6m6cDAwrTAWXgyg/join
πͺ JOIN OUR NEWSLETTER
skill-builder.uk/signup
π SEE OUR FAVOURITES ON AMAZON
amazon.co.uk/shop/skillbuilder
π§ LISTEN TO OUR PODCAST
blubrry.com/skillbuilder/subscribe
π¬ OUR VIDEO LIBRARY
youtube.com/@SkillBuilder/videos
π SEE EVERYTHING SB ON LINKTREE
https://linktr.ee/skillbuilder
facebook.com/skillbuilderchannel
tiktok.com/@skillbuilder
instagram.com/skill_builder
(As an Amazon Associate, we earn from qualifying purchases)
==================================
OUR FAVOURITE CHARITIES
π· BAND OF BUILDERS
bandofbuilders.org
β― THE LIGHTHOUSE CHARITY
lighthousecharity.org
π§ CHARITY WATER
charitywater.org





![The British Invention That Cuts PIR Board Perfectly Straight
Cutting PIR board straight is harder than it looks, and the reason is that you are cutting from the wrong side. Roger meets Jody Baxter on site to look at SlideGuide, a telescopic track system that runs underneath the board rather than on top of it, so the jigsaw blade cannot wander and the cut comes out square through the full depth.
Anyone who has cut Celotex or Kingspan by hand knows the problem. You follow the line perfectly along the top, then you turn the board over and the other face has drifted off by 10mm or more. The blade flexes, the cut tapers, and on a roof or between studs that gap is the difference between a tight fit and a cold bridge stuffed with expanding foam.
Jody has been testing blades as well as guides, and the Bosch blade used here is the one giving the least dust so far, a fine tooth pattern closer to a metal cutting blade than a wood one. A longer version is in development that should produce no dust at all. Because the track mounts on the underside, blade length is not the limiting factor, only how straight the blade stays.
We also look at the SlideGuide Mini, a single track version that opens to 1300mm and has 45-degree bevels built into the wear strips, aimed squarely at roofers cutting into eaves, ridges and under layboards where the waste is enormous.
FIND OUT MORE π
SlideGuide
https://go.skill-builder.uk/slideguide
KEY TAKEAWAYS
β’ Mounting the guide on the underside of the board is what stops the blade meandering, because the cut is referenced from the face the blade exits rather than the face you can see.
β’ A tapered cut is caused by blade flex, not by a shaky hand, so a straight edge laid on top of the board will never fully solve it.
β’ A fine tooth metal cutting blade throws far less dust than a coarse soft material blade when cutting PIR and sandwiched metal roofing panels.
β’ The standard opening is 1118mm between the clamp pads, and releasing the thumb screws lets the telescopic rails extend to take a full length board.
β’ The Mini version cuts 45 degree bevels, which is where roofers waste the most board, and the clamp pads rotate so they can be set at an angle for bevel work.
WATCH NEXT
[Insulated roof panels video link]
[Loft insulation video link]
00:00 The problem with cutting PIR board
00:19 How the underside track system works
00:30 Choosing the right jigsaw blade
00:47 A longer blade with no dust at all
01:00 Dave, the millimetre perfect tradesman
01:20 Setting the opening and the clamp pads
01:47 Trimming off the damaged edge
02:02 The 40mm track saw rail
02:28 Squaring the board up in the guide
03:07 Marking 355 at both ends
03:40 The finished edge
03:57 Fitting the board between the studs
04:02 SlideGuide Mini, the single track version
04:55 Cutting a 45 degree bevel
05:39 The result and the limits of the blade
06:05 Where to buy it and the MKM rollout
Have you found a way of cutting PIR board that actually holds a line? Tell us in the comments.
#PIRBoard #Insulation #Celotex #SkillBuilder
π SUPPORT SB - BECOME A MEMBER
https://www.youtube.com/channel/UC9GdB6vG6m6cDAwrTAWXgyg/join
πͺ JOIN OUR NEWSLETTER
https://skill-builder.uk/signup
π SEE OUR FAVOURITES ON AMAZON
https://www.amazon.co.uk/shop/skillbuilder
π§ LISTEN TO OUR PODCAST
https://blubrry.com/skillbuilder/subscribe
π¬ OUR VIDEO LIBRARY
https://www.youtube.com/@SkillBuilder/videos
π SEE EVERYTHING SB ON LINKTREE
https://linktr.ee/skillbuilder
π€ WORK WITH US
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https://www.tiktok.com/@skillbuilder
https://www.instagram.com/skill_builder
(As an Amazon Associate, we earn from qualifying purchases)
OUR FAVOURITE CHARITIES
π· BAND OF BUILDERS
https://bandofbuilders.org
π‘ THE LIGHTHOUSE CHARITY
https://lighthousecharity.org
π§ CHARITY WATER
https://www.charitywater.org The British Invention That Cuts PIR Board Perfectly Straight](https://i.ytimg.com/vi/zAaoYBZzLZ4/mqdefault.jpg)

