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aluplast IDEAL 4000 windows
aluplast

Built on aluplast profile systems

The systems behind every SwingTilt window & door

aluplast is a German-founded maker of PVC window and door profiles. We sell their full range — every window, sliding door and entrance door system below — made to your exact sizes.

How it's built

Cut one in half

These are aluplast's own cut-away images. The frame is hollow on purpose — inner walls split it into separate air pockets (chambers) that slow heat moving through. Steel goes in the big center chamber so wide sashes stay straight, and rubber seals run all the way around the sash.

aluplast IDEAL 8000 cross-section
IDEAL 80006 chambers, 3 seals, 85 mm deep
aluplast NEO cross-section
NEOFlush and non-flush versions, 76 mm deep
aluplast HST 85 lift & slide cross-section
HST 85 lift & slide197 mm frame, 85 mm sash

Three frame looks (IDEAL 4000)

IDEAL 4000 Non-flush frame close-up
Non-flushSash sits proud of the frame — the classic look.
IDEAL 4000 Half-flush frame close-up
Half-flushSash partly recessed for a cleaner line.
IDEAL 4000 Round line frame close-up
Round lineSofter, rounded edges.

Virtual showroom

See them in person — from your couch

Walk through aluplast's showroom room by room. Tap a bronze dot on any window or door to see which system it is, its specs, and get a price from us.

360° photos of the aluplast showroom © aluplast, used with permission. Use the ⛶ button for full screen.

Tilt-turn windows

Window systems

Every one opens two ways: tilt in at the top for air, or swing in like a door for cleaning both sides from inside.

aluplast IDEAL 4000

IDEAL 4000

The everyday workhorse — our standard tilt-turn frame. Made for replacing old windows.

Frame depth
70 mm
Glass up to
48 mm
Seals
2
Chambers
5–6
Uf (frame)
up to 1.2 W/m²K
Uw (whole window)
up to 0.8 W/m²K
Frame styles
non-flush, half-flush, round line
Best for
renovation, replacement windows
aluplast IDEAL 7000
aluplast IDEAL 7000 cross-sectionCut-away

IDEAL 7000

Deeper 85 mm frame with six chambers for better energy savings.

Frame depth
85 mm
Glass up to
51 mm
Seals
2
Chambers
6
Uf (frame)
up to 1.0 W/m²K
Uw (whole window)
up to 0.77 W/m²K
Best for
energy-efficient homes
aluplast IDEAL 8000
aluplast IDEAL 8000 cross-sectionCut-away

IDEAL 8000

85 mm, six chambers and a third center seal — the most efficient IDEAL frame.

Frame depth
85 mm
Glass up to
51 mm
Seals
3
Chambers
6
Uf (frame)
1.0 W/m²K
Uw (whole window)
0.67 W/m²K
Best for
energy-efficient & passive houses
aluplast NEO
aluplast NEO cross-sectionCut-away

NEO

76 mm all-rounder in flush or non-flush styles, with 2 or 3 seals.

Frame depth
76 mm
Glass up to
51 mm
Seals
2 or 3
Chambers
5–6
Uf (frame)
up to 0.99 W/m²K
Uw (whole window)
up to 0.73 W/m²K
Frame styles
flush, non-flush
Best for
any home
aluplast Intertec 85 MD

Intertec 85 MD

85 mm frame with 7 chambers in the frame and 6 in the sash. Built for new construction.

Frame depth
85 mm
Glass up to
51 mm
Chambers
7 frame / 6 sash
Uf (frame)
1.0 W/m²K
Uw (whole window)
from 0.74 W/m²K
Best for
new construction

Patio & terrace

Sliding door systems

Big glass openings that slide instead of swing.

aluplast HST 85 lift & slide
aluplast HST 85 lift & slide cross-sectionCut-away

HST 85 lift & slide

Lift the handle, the sash rises off its seals and glides. Sashes up to 3 meters wide.

Frame depth
197 mm
Sash depth
85 mm
Sliding sash width
up to 3000 mm
Glass up to
51 mm
Uf (frame)
up to 1.1 W/m²K
Uw (whole door)
up to 0.63 W/m²K
Best for
patio, balcony

Front & side doors

Entrance door systems

PVC entrance doors with multi-chamber frames, built to match the windows.

Reading the numbers

  • Uf = heat loss through the frame only. Uw = heat loss through the whole window (frame + glass). Lower is better.
  • These are aluplast's published European values in W/m²K. They are not on the same scale as a US U-factor, so don't compare them number-to-number with American labels.
  • Uw depends on the glass you pick. We give you the glass numbers for your exact order on your quote.
  • 1 inch = 25.4 mm, so a 70 mm frame is about 2¾″ deep and an 85 mm frame about 3⅜″.

Pricing

Tell us what you need

Say which system caught your eye (or say "not sure") plus rough sizes. We install around Springfield, MO and ship everywhere else.

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aluplast® and the product names on this page are trademarks of aluplast. Images, cross-sections, the virtual showroom and specifications are © aluplast and used with permission. SwingTilt Windows & Doors LLC is an independent company that sells windows and doors made with aluplast profile systems; we are not part of aluplast.