T‑ClassicSlim Mono
A slim frame in a monoblock version — window and frame come as one ready-made unit for fast installation. Warm, quiet and solid, for new builds and for replacing old windows alike.
A slim frame in a monoblock version — window and frame come as one ready-made unit for fast installation. Warm, quiet and solid, for new builds and for replacing old windows alike.
Replacing worn-out windows with new ones
Optimised performance at attractive prices. Choose a system matched to your budget and expectations.
If your main goal is replacing old windows with new ones, sturdy and good-looking, and the project is not subject to stringent requirements WT 2021, we recommend our BUDVAR T-Comfort or BUDVAR T-Classic ranges. These systems offer proven quality, good thermal and acoustic insulation and a wide choice of finishes at an attractive price. They are the ideal choice for anyone looking for reliable replacement windows, without the need to meet the highest energy-efficiency parameters, but with a guarantee of durability and comfort in use.
See what’s inside.
Corner cross-section of the T‑Classic Slim Mono profile: seven thermal chambers, a steel reinforcing core, an EPDM gasket and double or triple glazing.
Seven chambers form an air barrier that limits heat and noise transfer.
A closed steel profile ensures rigidity and stability of large constructions.
Durable EPDM gaskets ensure tightness, quiet and protection from draughts.
Swisspacer warm edge and low-E glass — low Ug value.
Engineering
that works quietly.
Premium-class thermal insulation. Triple glazing with a Swisspacer warm edge spacer cuts heating bills by up to 30%.
* Uw value per EN ISO 10077-2 for a simple reference window measuring 1230 × 1480 mm with the option of standard triple glazing with a warm edge.
A 105 mm profile with steel reinforcement. Seven air chambers block the flow of heat and noise.
Noise reduction. EPDM gaskets seal off sound bridges.
Hardware with anti-burglary mushroom cams and reinforced keeps in the standard version. Can be upgraded to RC2.
With triple glazing and a Swisspacer warm edge spacer.
Choose your package.
Each variant differs in the number of gaskets and the glazing unit. Choose the one that suits your building.
Super-warm
Triple glazing with a Swisspacer warm-edge spacer. Recommended for energy-efficient homes.
Common to all variants
Choose the right glazing for your needs
The glass is a key part of any window — it shapes thermal insulation, sound insulation and security. We offer 11 patterned designs as well as functional glazing (absorptive, reflective, sound-reducing, toughened and laminated).
Patterned glass designs· 11 designs
They provide privacy while letting plenty of light through (80–90%).
Other glazing types· 5 types
Functional glazing matched to specific needs — protection from sun, noise or break-ins.
Available colours
PVC foil coloured throughout or laminated, UV-stable — with a multi-year colour guarantee. Pick a colour and see the window come to life.
The colour swatches and product visualisations shown above do not fully reflect the actual colours or the real material structure — they are intended only as an indicative visual reference of the final result.
T-Classic Slim MONO performs well in every room.
Compare with other uPVC models
Six core BUDVAR systems. Remove any models you don't want to compare — bring them back from the bar below.Scroll to see them all.
** Uw value per EN ISO 10077-2 for a simple reference window measuring 1230 × 1480 mm with the option of standard triple glazing with a warm edge.
Choose the right frame for your situation
The same slim T‑Classic Slim system in three frames — new installation, no-demolition renovation and a monoblock version.
Standard frame for new openings and typical window replacement.
No-demolition replacement — mounted on the existing old frame.
Monoblock frame — a ready window-frame unit for fast installation.
Download the BUDVAR T-Classic Slim Monoblock catalogue
Full technical specification, design, available colours, accessories and energy parameters — all in a single PDF document ready to download.
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Frequently asked questions
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