Robust details

Robust

Detail

Separating Wall Details

2 leaves of 100mm (min)

3.6N, 7.3N, 8.7N

Credit

Entitlement ¹

Mortar joints

Cavity

Finishes

Code for Sustainable Homes

EcoHomes

Width

Insulation

E - WM - 6

Traditional mortar ²

75mm

minimum

Clear cavity

OR

Fully insulated with mineral wool (max density 40kg/m³)

Nominal 8mm render or Gyproc Soundcoat Plus (parge) coat

+

12.5mm plasterboard (8 kg/m²) on dabs

1

3

E - WM - 10

Thin Joint ³

75mm

minimum

Clear cavity

OR

Fully insulated with mineral wool (max density 40kg/m³)

Nominal 8mm render or Gyproc Soundcoat Plus (parge) coat

+

12.5mm plasterboard (8 kg/m²) on dabs

-

2

E - WM - 13

Thin Joint

(Untied cavity)

75mm

minimum

Clear cavity

OR

Fully insulated with mineral wool (max density 40kg/m³)

Nominal 8mm render or Gyproc Soundcoat Plus parge coat

+

12.5mm plasterboard (8 kg/m²) on dabs

 3

4

E - WM - 15

Traditional mortar ²

75mm

minimum

35mm Isover RD35

15mm plasterboard (or 12.5mm Gyproc WallBoard Ten) on dabs (9.8kg/m²)

(No parge coat required)

1

3

E - WM - 23

Traditional mortar ²

OR

Thin Joint ³

100mm

minimum

Fully insulated with

Superglass Party Wall Roll

12.5mm plasterboard (8 kg/m²) on dabs

(No parge coat required)

 3

4

E - WM - 24

Traditional mortar ²

OR

Thin Joint ³

100mm

minimum

Fully insulated with

Saint Gobain-Isover RD Party Wall Roll

12.5mm plasterboard (8 kg/m²) on dabs

(No parge coat required)

 3

4

E - WM - 30

Traditional mortar ²

OR

Thin Joint ³

100mm

minimum

Fully insulated with

Knauf Supafil Party Wall

blown glass mineral wool insulation

12.5mm plasterboard (8 kg/m²) on dabs

(No parge coat required)

 3

4

¹    Ensure Robust Details scheme requirements are met.

²    Wall ties type ‘A’ (as per Appendix A of AD’E’ and RD Handbook).

³    Ancon HRT4 or Clan PWT4 wall ties.

Flanking Wall Details applicable to all above separating walls

100mm (min) 3.6N, 7.3N, 8.7N

12.5mm plasterboard (8 kg/m²) on dabs or 13mm plaster finishes

Robust

Detail

Floor

Flanking Leaf

(100mm minimum)

12.5mm plasterboard (8 kg/m²) on dabs or 13mm plaster finishes

Separating Wall

(PCT for wall not required if RD’s

scheme requirements are met)

Floor

PCT required?

E-FC- 1,

E-FC- 6,

E-FC- 7,

E-FC- 11

or

E-FC- 15

Any aircrete block

Aircrete E-WM-6, 10, 13, 15, 23, 24 or 30

Yes ³

Any non aircrete RD wall

Yes ³

E-FC- 12,

E-FC- 13,

E-FC- 14

or

E-FC- 17

Any aircrete block

Aircrete E-WM-6, 10, 13, 15, 23, 24 or 30

Yes ³

Any non aircrete RD wall

(except E-WM-12, 25 or 29)

Not required ²

E-FC- 4

or

E-FC- 5

Any aircrete block

Aircrete E-WM- 6 ¹, 10 ¹, 13 ¹, 15 ¹,

 23, 24 or 30 ¹

Not required ²

(200mm thick floor planks and ceiling CT5 required with E-FC-5)

Any non aircrete RD wall

(E-WM-12 not applicable with E-FC-5)

E-FC- 8

or

E-FC- 9

Aircrete Standard,

High Strength

or Super Strength

Aircrete E-WM- 6 ¹, 10 ¹, 13 ¹, 15 ¹,

23, 24 or 30 ¹

Not required ²

Any non aircrete RD wall except E-WM-12

E-FC- 10

Non aircrete masonry wall

Aircrete E-WM- 6 ¹, 10 ¹, 13 ¹, 15 ¹,

 23, 24 or 30 ¹

Not required ²

Any aircrete block

Any non aircrete RD

(wall except E-WM-12)

Yes ³

E-FC- 16

Any aircrete block

Aircrete E-WM-6, 10, 13, 15, 23, 24 or 30

Yes ³

Aircrete Standard,

High Strength or Super Strength

Any non aircrete RD wall

(except E-WM-12, 25 or 29)

Not required ²

¹  At least one storey of the separating wall flanking the separating floor must be built in higher strength, otherwise PCT of floor  will be required.

² Ensure RD’s scheme requirements are met.