Jay Jay Building Supplies

Jay Jay Building Supplies Jay Jay Building Supplies, providing Sydney West's highest -quality building products to since 1985.

🎉 Double Celebration at Jay Jay’s! 🎉Tomorrow we’re celebrating Tony… and it’s a big one! It’s his birthday 🚛 AND he’s be...
01/05/2026

🎉 Double Celebration at Jay Jay’s! 🎉

Tomorrow we’re celebrating Tony… and it’s a big one!
It’s his birthday 🚛 AND he’s been part of the Jay Jay Building Supplies team for 10 years

If you’ve had a delivery from us, chances are you’ve met Tony, always reliable, always friendly, and always getting the job done 💪

Tony, we truly appreciate everything you do.
You’re a big part of what makes Jay Jay’s what it is.

👉 Help us wish him a Happy Birthday & 10 Years! in the comments 🎉






Insulation isn’t just about what you use — it’s about choosing the right product for the job.We go above and beyond by:✔...
13/04/2026

Insulation isn’t just about what you use — it’s about choosing the right product for the job.

We go above and beyond by:

✔️ Supplying trusted, high-performance insulation products
✔️ Helping you select the correct R-values and specifications
✔️ Providing accurate quantities to reduce waste
✔️ Ensuring reliable supply and turnaround times
✔️ Supporting builders, tradies, and homeowners with expert advice

The right materials make all the difference when it comes to long-term comfort and energy efficiency.

We don’t install — we specialise in making sure you have the right insulation products, exactly when you need them at the right price. For April we have a great promo- use Codeword BEATTHECHILL for these amzing prices:
❄ R2.5HD- from $8.16/sqm
❄ R3.5 - from $6.70/sqm

Feeling the chill already? We’re here to help.Getting your insulation sorted before winter hits means:✅ Lower power bill...
07/04/2026

Feeling the chill already? We’re here to help.

Getting your insulation sorted before winter hits means:
✅ Lower power bills
✅ A warmer, healthier home
✅ Less strain on your heating system
✅ Peace of mind all season long

Whether you’re building new, renovating, or upgrading existing insulation, our team can guide you through the best solution for your h
This March we have some amazing prices- don't forget to use Codeword: BEATHECHILL
❄ R2.5HD- from $8.16/sqm
❄ R3.5 - from $6.70/sqm

No stress. No guesswork. Just honest advice and quality results.

Send us a message or give us a call — let’s get your home winter-ready.

Good insulation doesn’t just keep you warm — it keeps your energy costs under control all winter long.Before temperature...
01/04/2026

Good insulation doesn’t just keep you warm — it keeps your energy costs under control all winter long.

Before temperatures really drop, now is the perfect time to check:
✔️ Roof/ceiling insulation
✔️ Wall insulation
✔️ Underfloor insulation
✔️ Draft seals

For the month of March we have some amazing prices- don't forget to use Codeword: BEATHECHILL
❄ R2.5HD- from $8.16/sqm
❄ R3.5 - from $6.70/sqm

A warmer home starts from the inside out.

Great homes start with the right materials.As cooler weather approaches, choosing high-quality insulation is one of the ...
27/03/2026

Great homes start with the right materials.

As cooler weather approaches, choosing high-quality insulation is one of the smartest decisions you can make for long-term comfort and energy efficiency.

We proudly supply trusted insulation products for:
☑️ New builds
☑️ Renovations
☑️ Builders & contractors
☑️ Homeowners tackling upgrades

We work alongside builders, tradies, and homeowners to ensure you get the right product, the right specs, and the right quantities — on time and ready for your project. Plus, for the month of March we have some amazing prices- don't forget to use Codeword: BEATHECHILL
❄ R2.5HD- from $8.16/sqm
❄ R3.5 - from $6.70/sqm

You build it. We’ll supply what keeps it warm.

Let’s build something great together.

Proud to support builders, chippies, claddersand all-round legends across Western Sydney & the Blue Mountains.This week ...
25/03/2026

Proud to support builders, chippies, cladders
and all-round legends across Western Sydney & the Blue Mountains.

This week wraps up our Fibre Cement Product of the Month. and some FANTASTIC pricing specials to go with it.
*Durasheet 4.5mm - $10.09/sqm+GST
*Duraplank 230 Smooth- $19.28ea +GST

From durable cladding to reliable sheet products built for tough Aussie conditions, fibre cement continues to be a go-to choice on site.

But it’s not just about the products. It’s about having a supplier you can count on when the job’s on the line.

Good stock. Trusted brands. Service that backs local tradies.

Need a supplier who backs your business like it’s their own?

Let’s build something great – together.

Fibre cement is one of the most durable and low-maintenance cladding options available for modern builds.Resist moisture...
16/03/2026

Fibre cement is one of the most durable and low-maintenance cladding options available for modern builds.

Resist moisture & rot
Withstand harsh weather conditions
Provide excellent dimensional stability
Deliver a clean, modern finish

With some amazing pricing for March on Durasheet and Durplank
- don't forget your codeword: FCMARCH
*4.5mm Durasheet $10.09/sqm +GST
*Duraplank 230 Smooth $19.28each +GST

Looking for fibre cement for your next project?
Our team is here to help.

Fibre cement cladding and lining boards abound. We’re here to help.• Innova Duraplank – ideal for modern weatherboard lo...
09/03/2026

Fibre cement cladding and lining boards abound.

We’re here to help.

• Innova Duraplank – ideal for modern weatherboard looks
• Innova Durasheet – perfect for flush panel applications and versatile exterior use

As a supply-only specialist, we’ll make sure you get:
✔️ The right specifications
✔️ The correct quantities
✔️ Reliable turnaround

You build it. We’ll supply what makes it perform - for a great price: Use Codeword: FCMARCH
4.5mm Durasheet- $10.09/sqm +GST
Duraplank 230 Smooth - $19.28ea+GST

Send us a message to discuss your next project.

Fibre cement is one of the most durable and low-maintenance cladding options available for modern builds.Products like I...
02/03/2026

Fibre cement is one of the most durable and low-maintenance cladding options available for modern builds.

Products like Innova Duraplank and Innova Durasheet are designed to:

✔️ Resist moisture & rot
✔️ Withstand harsh weather conditions
✔️ Provide excellent dimensional stability
✔️ Deliver a clean, modern finish

Whether you're building new or upgrading an exterior, fibre cement offers strength, versatility, and long-term performance.

Smart builds start with smart materials at smart prices. Use Codeword: FCMARCH

* 4.5mm Durasheet - $10.09/sqm +GST
* Duraplank 230 Smooth - $19.28each +GST

Last Chance! Plywood Month Ends 28 Feb! Don’t miss out on our special plywood rates – stock up now before the offer fini...
23/02/2026

Last Chance! Plywood Month Ends 28 Feb!

Don’t miss out on our special plywood rates – stock up now before the offer finishes! Perfect for all your building, DIY, and renovation projects. Special discount code applies- see below

Order now to secure your materials at unbeatable prices.

Hurry – after 28 Feb, these prices are gone!

CODEWORD: FEBPLYFB

Address

Penrith, NSW

Opening Hours

Monday 7am - 5pm
Tuesday 7am - 5pm
Wednesday 7am - 5pm
Thursday 7am - 5pm
Friday 7am - 5pm

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