Table 4 Household acceptability of durable wall lining materials two weeks after installation in Angola and Nigeria

98% of participants expressed satisfaction with the DL/ITPS

‘It makes the room look like a studio room.’ Male 30+, urban Lagos.

‘Since we have put that thing, it has beautified my house.’ Female 18–29 years, rural Enugu.

73% described the DL/ITPS killing insects and rats

‘For the odour, I think I am okay with it because it is not bad.’ Male 30+, urban Lagos.

‘The products also killed lizards because there was a lizard in my room which I was not aware of until I saw it moving on the wall and as soon as it touched the product it couldn’t move again and it was killed.’ Male 30+, rural Lagos.

90% reported a reduction in the number of mosquitoes and other insects in their houses

‘I have been closing my door because if people had seen it they would be asking me questions.’ Pregnant female, urban Lagos.

‘The thing is picking insects the way I can’t explain. It’s picking them like a magnet. It was very very effective.’ Female 18–29 years, rural Enugu.

36% believed their house was more attractive because of the DL/ITPS

‘In fact the first day they brought it when my husband came back, he said that I have disfigured the wall.’ Female 18–29 years, urban Lagos.

‘We like everything about this product.’ Male 30+, rural Lagos.

‘The mosquito is not that bad that I should now disfigure my wall.’ Pregnant female, urban Enugu.

50% experienced no problems installing the materials with the help of trained staff

‘You might not be able to do it on your own, an expert has to do it for you.’ Female 18–29 years, urban Lagos.

‘… It [nails] spoils the wall’. Female 18–29 years, rural Enugu.

90% reported no problems with their materials once they were installed

‘Whenever you use nails, you destroy the beauty or the particular face of that wall.’ Male 30+, urban Lagos.

Respondents suggested using the DL on the ceilings instead of the ITPS

‘Put designs like flowers to beautify it.’ Female 18-29 years, urban Kano.

‘We should have bought a tyroid and nailed it to the wall before fixing the product.’ Male 30+, rural Lagos.

‘It can even come in a form of painting.’ Male 30+, urban Lagos.

‘It will be like a long projector. In the afternoon, nobody notices anything was there, when the evening time comes, you pull it down.’ Male 30+, urban Lagos.

‘The gum cannot stay on the walls, it will fall down. I think nails are better.’ Male 30+, rural Lagos.

‘If the lining can be done well in such a way that it is accurately measured and cut well and stretched before it is ready for sale because you find out that when you are fixing it to the wall if you don’t stretch it properly there will be some space it will not cover.’ Female 18–29 years, urban Kano.